>>> solve_all(from_file("top95.txt"), "hard") 4 . . |. . . |8 . 5 . 3 . |. . . |. . . . . . |7 . . |. . . ------+------+------ . 2 . |. . . |. 6 . . . . |. 8 . |4 . . . . . |. 1 . |. . . ------+------+------ . . . |6 . 3 |. 7 . 5 . . |2 . . |. . . 1 . 4 |. . . |. . . 4 1 7 |3 6 9 |8 2 5 6 3 2 |1 5 8 |9 4 7 9 5 8 |7 2 4 |3 1 6 ------+------+------ 8 2 5 |4 3 7 |1 6 9 7 9 1 |5 8 6 |4 3 2 3 4 6 |9 1 2 |7 5 8 ------+------+------ 2 8 9 |6 4 3 |5 7 1 5 7 3 |2 9 1 |6 8 4 1 6 4 |8 7 5 |2 9 3 (0.02 seconds) 5 2 . |. . 6 |. . . . . . |. . . |7 . 1 3 . . |. . . |. . . ------+------+------ . . . |4 . . |8 . . 6 . . |. . . |. 5 . . . . |. . . |. . . ------+------+------ . 4 1 |8 . . |. . . . . . |. 3 . |. 2 . . . 8 |7 . . |. . . 5 2 7 |3 1 6 |4 8 9 8 9 6 |5 4 2 |7 3 1 3 1 4 |9 8 7 |5 6 2 ------+------+------ 1 7 2 |4 5 3 |8 9 6 6 8 9 |2 7 1 |3 5 4 4 5 3 |6 9 8 |2 1 7 ------+------+------ 9 4 1 |8 2 5 |6 7 3 7 6 5 |1 3 4 |9 2 8 2 3 8 |7 6 9 |1 4 5 (0.10 seconds) 6 . . |. . . |8 . 3 . 4 . |7 . . |. . . . . . |. . . |. . . ------+------+------ . . . |5 . 4 |. 7 . 3 . . |2 . . |. . . 1 . 6 |. . . |. . . ------+------+------ . 2 . |. . . |. 5 . . . . |. 8 . |6 . . . . . |. 1 . |. . . 6 1 7 |4 5 9 |8 2 3 2 4 8 |7 3 6 |9 1 5 5 3 9 |1 2 8 |4 6 7 ------+------+------ 9 8 2 |5 6 4 |3 7 1 3 7 4 |2 9 1 |5 8 6 1 5 6 |8 7 3 |2 9 4 ------+------+------ 8 2 3 |6 4 7 |1 5 9 7 9 1 |3 8 5 |6 4 2 4 6 5 |9 1 2 |7 3 8 (0.04 seconds) 4 8 . |3 . . |. . . . . . |. . . |. 7 1 . 2 . |. . . |. . . ------+------+------ 7 . 5 |. . . |. 6 . . . . |2 . . |8 . . . . . |. . . |. . . ------+------+------ . . 1 |. 7 6 |. . . 3 . . |. . . |4 . . . . . |. 5 . |. . . 4 8 7 |3 1 2 |6 9 5 5 9 3 |6 8 4 |2 7 1 1 2 6 |5 9 7 |3 8 4 ------+------+------ 7 3 5 |8 4 9 |1 6 2 9 1 4 |2 6 5 |8 3 7 2 6 8 |7 3 1 |5 4 9 ------+------+------ 8 5 1 |4 7 6 |9 2 3 3 7 9 |1 2 8 |4 5 6 6 4 2 |9 5 3 |7 1 8 (0.14 seconds) . . . |. 1 4 |. . . . 3 . |. . . |2 . . . 7 . |. . . |. . . ------+------+------ . . . |9 . . |. 3 . 6 . 1 |. . . |. . . . . . |. . . |. 8 . ------+------+------ 2 . . |. . . |1 . 4 . . . |. 5 . |6 . . . . . |7 . 8 |. . . 9 6 2 |3 1 4 |8 5 7 1 3 4 |5 8 7 |2 6 9 5 7 8 |2 9 6 |4 1 3 ------+------+------ 8 4 7 |9 6 2 |5 3 1 6 5 1 |8 7 3 |9 4 2 3 2 9 |1 4 5 |7 8 6 ------+------+------ 2 8 5 |6 3 9 |1 7 4 7 9 3 |4 5 1 |6 2 8 4 1 6 |7 2 8 |3 9 5 (0.05 seconds) . . . |. . . |5 2 . . 8 . |4 . . |. . . . 3 . |. . 9 |. . . ------+------+------ 5 . 1 |. . . |6 . . 2 . . |7 . . |. . . . . . |3 . . |. . . ------+------+------ 6 . . |. 1 . |. . . . . . |. . . |7 . 4 . . . |. . . |. 3 . 4 1 6 |8 3 7 |5 2 9 9 8 2 |4 6 5 |3 7 1 7 3 5 |1 2 9 |4 6 8 ------+------+------ 5 7 1 |2 9 8 |6 4 3 2 9 3 |7 4 6 |1 8 5 8 6 4 |3 5 1 |2 9 7 ------+------+------ 6 4 7 |9 1 3 |8 5 2 3 5 9 |6 8 2 |7 1 4 1 2 8 |5 7 4 |9 3 6 (0.14 seconds) 6 . 2 |. 5 . |. . . . . . |. . 3 |. 4 . . . . |. . . |. . . ------+------+------ 4 3 . |. . 8 |. . . . 1 . |. . . |2 . . . . . |. . . |7 . . ------+------+------ 5 . . |2 7 . |. . . . . . |. . . |. 8 1 . . . |6 . . |. . . 6 8 2 |1 5 4 |3 7 9 9 5 1 |7 6 3 |8 4 2 3 7 4 |8 9 2 |1 6 5 ------+------+------ 4 3 7 |5 2 8 |9 1 6 8 1 6 |9 3 7 |2 5 4 2 9 5 |4 1 6 |7 3 8 ------+------+------ 5 6 8 |2 7 1 |4 9 3 7 2 9 |3 4 5 |6 8 1 1 4 3 |6 8 9 |5 2 7 (0.02 seconds) . 5 2 |4 . . |. . . . . . |. 7 . |1 . . . . . |. . . |. . . ------+------+------ . . . |8 . 2 |. . . 3 . . |. . . |6 . . . 9 . |5 . . |. . . ------+------+------ 1 . 6 |. 3 . |. . . . . . |. . . |. 8 9 7 . . |. . . |. . . 6 5 2 |4 8 1 |9 3 7 8 3 4 |6 7 9 |1 5 2 9 7 1 |3 2 5 |8 6 4 ------+------+------ 4 6 7 |8 1 2 |5 9 3 3 1 5 |7 9 4 |6 2 8 2 9 8 |5 6 3 |4 7 1 ------+------+------ 1 8 6 |9 3 7 |2 4 5 5 2 3 |1 4 6 |7 8 9 7 4 9 |2 5 8 |3 1 6 (0.01 seconds) 6 . 2 |. 5 . |. . . . . . |. . 4 |. 3 . . . . |. . . |. . . ------+------+------ 4 3 . |. . 8 |. . . . 1 . |. . . |2 . . . . . |. . . |7 . . ------+------+------ 5 . . |2 7 . |. . . . . . |. . . |. 8 1 . . . |6 . . |. . . 6 8 2 |1 5 3 |4 7 9 9 5 1 |7 6 4 |8 3 2 3 7 4 |8 9 2 |1 6 5 ------+------+------ 4 3 7 |5 2 8 |9 1 6 8 1 6 |9 4 7 |2 5 3 2 9 5 |3 1 6 |7 4 8 ------+------+------ 5 6 8 |2 7 1 |3 9 4 7 2 9 |4 3 5 |6 8 1 1 4 3 |6 8 9 |5 2 7 (0.02 seconds) . 9 2 |3 . . |. . . . . . |. 8 . |1 . . . . . |. . . |. . . ------+------+------ 1 . 7 |. 4 . |. . . . . . |. . . |. 6 5 8 . . |. . . |. . . ------+------+------ . 6 . |5 . 2 |. . . 4 . . |. . . |7 . . . . . |9 . . |. . . 7 9 2 |3 5 1 |6 4 8 5 4 3 |7 8 6 |1 2 9 6 8 1 |4 2 9 |5 3 7 ------+------+------ 1 5 7 |6 4 8 |2 9 3 9 2 4 |1 3 7 |8 6 5 8 3 6 |2 9 5 |4 7 1 ------+------+------ 3 6 8 |5 7 2 |9 1 4 4 1 9 |8 6 3 |7 5 2 2 7 5 |9 1 4 |3 8 6 (0.11 seconds) 6 . . |3 . 2 |. . . . 5 . |. . . |. 1 . . . . |. . . |. . . ------+------+------ 7 . 2 |6 . . |. . . . . . |. . . |. 5 4 3 . . |. . . |. . . ------+------+------ . 8 . |1 5 . |. . . . . . |. 4 . |2 . . . . . |. . . |7 . . 6 1 4 |3 8 2 |5 7 9 9 5 3 |7 6 4 |8 1 2 8 2 7 |5 9 1 |4 3 6 ------+------+------ 7 4 2 |6 3 5 |1 9 8 1 6 8 |2 7 9 |3 5 4 3 9 5 |4 1 8 |6 2 7 ------+------+------ 2 8 6 |1 5 7 |9 4 3 5 7 9 |8 4 3 |2 6 1 4 3 1 |9 2 6 |7 8 5 (0.04 seconds) . 6 . |5 . 1 |. 9 . 1 . . |. 9 . |. 5 3 9 . . |. . 7 |. . . ------+------+------ . 4 . |8 . . |. 7 . . . . |. . . |5 . 8 . 8 1 |7 . 5 |. 3 . ------+------+------ . . . |. 5 . |2 . . . . . |. . . |. . . . 7 6 |. . 8 |. . . 8 6 3 |5 2 1 |7 9 4 1 2 7 |4 9 6 |8 5 3 9 5 4 |3 8 7 |6 2 1 ------+------+------ 6 4 5 |8 3 9 |1 7 2 7 3 9 |1 4 2 |5 6 8 2 8 1 |7 6 5 |4 3 9 ------+------+------ 4 9 8 |6 5 3 |2 1 7 5 1 2 |9 7 4 |3 8 6 3 7 6 |2 1 8 |9 4 5 (0.08 seconds) . . 5 |. . . |9 8 7 . 4 . |. 5 . |. . 1 . . 7 |. . . |. . . ------+------+------ 2 . . |. 4 8 |. . . . 9 . |1 . . |. . . 6 . . |2 . . |. . . ------+------+------ 3 . . |6 . . |2 . . . . . |. . 9 |. 7 . . . . |. . . |5 . . 1 3 5 |4 2 6 |9 8 7 8 4 6 |9 5 7 |3 2 1 9 2 7 |3 8 1 |4 6 5 ------+------+------ 2 1 3 |7 4 8 |6 5 9 5 9 8 |1 6 3 |7 4 2 6 7 4 |2 9 5 |8 1 3 ------+------+------ 3 5 1 |6 7 4 |2 9 8 4 8 2 |5 3 9 |1 7 6 7 6 9 |8 1 2 |5 3 4 (0.07 seconds) 3 . 6 |. 7 . |. . . . . . |. . . |. 5 1 8 . . |. . . |. . . ------+------+------ . 1 . |4 . 5 |. . . 7 . . |. . . |6 . . . . . |2 . . |. . . ------+------+------ . 2 . |. . . |. 4 . . . . |. 8 . |3 . . . . . |5 . . |. . . 3 5 6 |8 7 1 |2 9 4 9 7 2 |6 4 3 |8 5 1 8 4 1 |9 5 2 |7 3 6 ------+------+------ 2 1 3 |4 6 5 |9 8 7 7 9 4 |3 1 8 |6 2 5 6 8 5 |2 9 7 |4 1 3 ------+------+------ 1 2 8 |7 3 6 |5 4 9 5 6 9 |1 8 4 |3 7 2 4 3 7 |5 2 9 |1 6 8 (0.03 seconds) 1 . . |. . . |3 . 8 . 7 . |4 . . |. . . . . . |. . . |. . . ------+------+------ 2 . 3 |. 1 . |. . . . . . |. . . |. 9 5 8 . . |. . . |. . . ------+------+------ . 5 . |6 . . |. 7 . . . . |. 8 . |2 . . . 4 . |. . . |. . . 1 2 9 |5 7 6 |3 4 8 3 7 6 |4 2 8 |5 1 9 5 8 4 |3 9 1 |6 2 7 ------+------+------ 2 9 3 |8 1 5 |7 6 4 4 1 7 |2 6 3 |8 9 5 8 6 5 |7 4 9 |1 3 2 ------+------+------ 9 5 8 |6 3 2 |4 7 1 7 3 1 |9 8 4 |2 5 6 6 4 2 |1 5 7 |9 8 3 (0.05 seconds) 6 . . |3 . 2 |. . . . 4 . |. . . |. 1 . . . . |. . . |. . . ------+------+------ 7 . 2 |6 . . |. . . . . . |. . . |. 5 4 3 . . |. . . |. . . ------+------+------ . 8 . |1 5 . |. . . . . . |. 4 . |2 . . . . . |. . . |7 . . 6 1 5 |3 8 2 |4 7 9 9 4 3 |7 6 5 |8 1 2 8 2 7 |4 9 1 |5 3 6 ------+------+------ 7 5 2 |6 3 4 |1 9 8 1 6 8 |2 7 9 |3 5 4 3 9 4 |5 1 8 |6 2 7 ------+------+------ 2 8 6 |1 5 7 |9 4 3 5 7 9 |8 4 3 |2 6 1 4 3 1 |9 2 6 |7 8 5 (0.01 seconds) . . . |. 3 . |. 9 . . . . |2 . . |. . 1 . 5 . |9 . . |. . . ------+------+------ . . . |. . . |. . . 1 . 2 |. 8 . |4 . 6 . 8 . |5 . . |. 2 . ------+------+------ . 7 5 |. . . |. . . 4 . 1 |. . 6 |. . 3 . . . |. . 4 |. 6 . 7 1 8 |4 3 5 |6 9 2 9 6 3 |2 7 8 |5 4 1 2 5 4 |9 6 1 |3 7 8 ------+------+------ 5 4 7 |6 1 2 |8 3 9 1 9 2 |3 8 7 |4 5 6 3 8 6 |5 4 9 |1 2 7 ------+------+------ 6 7 5 |8 9 3 |2 1 4 4 2 1 |7 5 6 |9 8 3 8 3 9 |1 2 4 |7 6 5 (0.01 seconds) 4 5 . |. . . |. 3 . . . . |8 . 1 |. . . . 9 . |. . . |. . . ------+------+------ . . . |. 5 . |. 9 . 2 . . |7 . . |. . . 8 . . |. . . |. . . ------+------+------ . 1 . |. 4 . |. . . . . . |. . . |7 . 2 . . . |6 . . |8 . . 4 5 8 |2 7 6 |9 3 1 6 2 3 |8 9 1 |4 7 5 1 9 7 |5 3 4 |2 8 6 ------+------+------ 3 7 1 |4 5 2 |6 9 8 2 6 9 |7 8 3 |1 5 4 8 4 5 |1 6 9 |3 2 7 ------+------+------ 7 1 2 |9 4 8 |5 6 3 9 8 6 |3 1 5 |7 4 2 5 3 4 |6 2 7 |8 1 9 (0.01 seconds) . 2 3 |7 . . |. . 6 8 . . |. 6 . |5 9 . 9 . . |. . . |7 . . ------+------+------ . . . |. 4 . |9 7 . 3 . 7 |. 9 6 |. . 2 . . . |. . . |. . . ------+------+------ 5 . . |4 7 . |. . . . . . |. . 2 |. . . . 8 . |. . . |. . . 1 2 3 |7 5 9 |4 8 6 8 7 4 |2 6 1 |5 9 3 9 6 5 |3 8 4 |7 2 1 ------+------+------ 2 1 6 |5 4 3 |9 7 8 3 5 7 |8 9 6 |1 4 2 4 9 8 |1 2 7 |3 6 5 ------+------+------ 5 3 2 |4 7 8 |6 1 9 6 4 1 |9 3 2 |8 5 7 7 8 9 |6 1 5 |2 3 4 (0.02 seconds) . . 8 |4 . . |. 3 . . . . |3 . . |. . . 9 . . |. . 1 |5 7 4 ------+------+------ 7 9 . |. . 8 |. . . . . . |. . 7 |. . 5 1 4 . |. . . |. 2 . ------+------+------ . . 9 |. 6 . |. . 2 . 5 . |. . . |4 . . . . . |. 9 . |. 5 6 5 1 8 |4 7 6 |2 3 9 4 2 7 |3 5 9 |6 1 8 9 6 3 |8 2 1 |5 7 4 ------+------+------ 7 9 5 |2 4 8 |3 6 1 8 3 2 |6 1 7 |9 4 5 1 4 6 |9 3 5 |8 2 7 ------+------+------ 3 7 9 |5 6 4 |1 8 2 6 5 1 |7 8 2 |4 9 3 2 8 4 |1 9 3 |7 5 6 (0.05 seconds) . 9 8 |. 1 . |. . . 2 . . |. . . |. 6 . . . . |. . . |. . . ------+------+------ . . . |3 . 2 |. 5 . . 8 4 |. . . |. . . . . . |6 . . |. . . ------+------+------ . . . |. 4 . |8 . 9 3 . . |5 . . |. . . . . . |. . . |1 . . 4 9 8 |7 1 6 |5 2 3 2 5 7 |8 3 9 |4 6 1 1 3 6 |4 2 5 |9 8 7 ------+------+------ 9 7 1 |3 8 2 |6 5 4 6 8 4 |1 5 7 |3 9 2 5 2 3 |6 9 4 |7 1 8 ------+------+------ 7 6 5 |2 4 1 |8 3 9 3 1 9 |5 7 8 |2 4 6 8 4 2 |9 6 3 |1 7 5 (0.19 seconds) . . 2 |4 7 . |. 5 8 . . . |. . . |. . . . . . |. . 1 |. 4 . ------+------+------ . . . |. 2 . |. . 9 5 2 8 |. 9 . |4 . . . . 9 |. . . |1 . . ------+------+------ . . . |. . . |. 3 . 3 . . |. . 7 |5 . . 6 8 5 |. . 2 |. . . 1 3 2 |4 7 9 |6 5 8 8 4 7 |5 6 3 |2 9 1 9 5 6 |2 8 1 |3 4 7 ------+------+------ 4 1 3 |7 2 5 |8 6 9 5 2 8 |1 9 6 |4 7 3 7 6 9 |3 4 8 |1 2 5 ------+------+------ 2 7 1 |8 5 4 |9 3 6 3 9 4 |6 1 7 |5 8 2 6 8 5 |9 3 2 |7 1 4 (0.02 seconds) 4 . . |. . . |8 . 5 . 3 . |. . . |. . . . . . |7 . . |. . . ------+------+------ . 2 . |. . . |. 6 . . . . |. 5 . |4 . . . . . |. 1 . |. . . ------+------+------ . . . |6 . 3 |. 7 . 5 . . |2 . . |. . . 1 . 9 |. . . |. . . 4 1 7 |3 6 9 |8 2 5 6 3 8 |1 2 5 |9 4 7 9 5 2 |7 4 8 |3 1 6 ------+------+------ 8 2 5 |4 3 7 |1 6 9 7 9 1 |8 5 6 |4 3 2 3 4 6 |9 1 2 |7 5 8 ------+------+------ 2 8 4 |6 9 3 |5 7 1 5 7 3 |2 8 1 |6 9 4 1 6 9 |5 7 4 |2 8 3 (0.03 seconds) . 2 . |3 . . |. . . . 6 3 |. . . |. . 5 8 . . |. . . |. . 1 ------+------+------ 5 . . |. . 9 |. 3 . . . . |7 . . |. . . . . . |1 . . |. . 8 ------+------+------ . 8 7 |9 . . |2 6 . . . . |. . 6 |. 7 . . . 6 |. . 7 |. . 4 9 2 5 |3 7 1 |4 8 6 1 6 3 |4 9 8 |7 2 5 8 7 4 |5 6 2 |3 9 1 ------+------+------ 5 4 2 |6 8 9 |1 3 7 6 1 8 |7 5 3 |9 4 2 7 3 9 |1 2 4 |6 5 8 ------+------+------ 4 8 7 |9 1 5 |2 6 3 3 5 1 |2 4 6 |8 7 9 2 9 6 |8 3 7 |5 1 4 (0.03 seconds) 1 . . |. . . |7 . 9 . 4 . |. . 7 |2 . . 8 . . |. . . |. . . ------+------+------ . 7 . |. 1 . |. 6 . 3 . . |. . . |. . 5 . 6 . |. 4 . |. 2 . ------+------+------ . . . |. . . |. . 8 . . 5 |3 . . |. 7 . 7 . 2 |. . . |. 4 6 1 2 3 |4 5 6 |7 8 9 6 4 9 |8 3 7 |2 5 1 8 5 7 |2 9 1 |6 3 4 ------+------+------ 2 7 4 |5 1 8 |9 6 3 3 9 8 |6 7 2 |4 1 5 5 6 1 |9 4 3 |8 2 7 ------+------+------ 4 1 6 |7 2 5 |3 9 8 9 8 5 |3 6 4 |1 7 2 7 3 2 |1 8 9 |5 4 6 (0.03 seconds) 4 . . |. . . |3 . . . . . |8 . 2 |. . . . . . |7 . . |. . . ------+------+------ . . . |1 . . |. 8 7 3 4 . |. . . |. . . 6 . . |. . . |. . . ------+------+------ 5 . . |. 6 . |. . . . . . |. 1 . |4 . . . 8 2 |. . . |. . . 4 7 5 |6 9 1 |3 2 8 9 6 1 |8 3 2 |7 4 5 8 2 3 |7 5 4 |1 9 6 ------+------+------ 2 5 9 |1 4 3 |6 8 7 3 4 7 |5 8 6 |2 1 9 6 1 8 |9 2 7 |5 3 4 ------+------+------ 5 3 4 |2 6 9 |8 7 1 7 9 6 |3 1 8 |4 5 2 1 8 2 |4 7 5 |9 6 3 (0.09 seconds) . . . |. . . |. 7 1 . 2 . |8 . . |. . . . . . |4 . 3 |. . . ------+------+------ 7 . . |. 6 . |. 5 . . . . |2 . . |3 . . 9 . . |. . . |. . . ------+------+------ 6 . . |. 7 . |. . . . 8 . |. . . |4 . . . . . |. 5 . |. . . 3 4 9 |5 2 6 |8 7 1 5 2 1 |8 9 7 |6 4 3 8 7 6 |4 1 3 |5 2 9 ------+------+------ 7 1 8 |3 6 9 |2 5 4 4 6 5 |2 8 1 |3 9 7 9 3 2 |7 4 5 |1 8 6 ------+------+------ 6 5 4 |1 7 8 |9 3 2 1 8 7 |9 3 2 |4 6 5 2 9 3 |6 5 4 |7 1 8 (0.02 seconds) 6 . . |3 . 2 |. . . . 4 . |. . . |. 8 . . . . |. . . |. . . ------+------+------ 7 . 2 |6 . . |. . . . . . |. . . |. 5 4 3 . . |. . . |. . . ------+------+------ . 8 . |1 5 . |. . . . . . |. 8 . |2 . . . . . |. . . |7 . . 6 1 8 |3 4 2 |5 7 9 9 4 3 |7 6 5 |1 8 2 5 2 7 |8 9 1 |4 3 6 ------+------+------ 7 5 2 |6 3 4 |8 9 1 8 6 1 |2 7 9 |3 5 4 3 9 4 |5 1 8 |6 2 7 ------+------+------ 2 8 6 |1 5 7 |9 4 3 1 7 9 |4 8 3 |2 6 5 4 3 5 |9 2 6 |7 1 8 (0.02 seconds) . 4 7 |. 8 . |. . 1 . . . |. . . |. . . . . . |6 . . |7 . . ------+------+------ 6 . . |. . 3 |5 7 . . . . |. . 5 |. . . . 1 . |. 6 . |. . . ------+------+------ 2 8 . |. 4 . |. . . . 9 . |1 . . |. 4 . . . . |. 2 . |6 9 . 9 4 7 |5 8 2 |3 6 1 8 6 3 |4 7 1 |9 5 2 1 5 2 |6 3 9 |7 8 4 ------+------+------ 6 2 4 |8 1 3 |5 7 9 7 3 8 |2 9 5 |4 1 6 5 1 9 |7 6 4 |8 2 3 ------+------+------ 2 8 5 |9 4 6 |1 3 7 3 9 6 |1 5 7 |2 4 8 4 7 1 |3 2 8 |6 9 5 (0.01 seconds) . . . |. . . |8 . 1 7 . . |2 . . |. . . . . . |5 . 6 |. . . ------+------+------ . . . |7 . . |. 5 . . 1 . |. . . |3 . . . 8 . |. . . |. . . ------+------+------ 5 . . |. . . |. 2 . . 4 . |. 8 . |. . . 6 . . |. 3 . |. . . 2 5 4 |3 7 9 |8 6 1 7 6 1 |2 4 8 |5 9 3 8 9 3 |5 1 6 |7 4 2 ------+------+------ 3 2 6 |7 9 1 |4 5 8 9 1 5 |8 2 4 |3 7 6 4 8 7 |6 5 3 |2 1 9 ------+------+------ 5 3 8 |1 6 7 |9 2 4 1 4 2 |9 8 5 |6 3 7 6 7 9 |4 3 2 |1 8 5 (0.07 seconds) 3 8 . |6 . . |. . . . . 9 |. . . |. . . . 2 . |. 3 . |5 1 . ------+------+------ . . . |. . 5 |. . . . 3 . |. 1 . |. 6 . . . . |4 . . |. . . ------+------+------ . 1 7 |. 5 . |. 8 . . . . |. . . |9 . . . . . |. . 7 |. 3 2 3 8 5 |6 2 1 |4 9 7 1 7 9 |5 8 4 |3 2 6 4 2 6 |7 3 9 |5 1 8 ------+------+------ 7 6 2 |3 9 5 |8 4 1 5 3 4 |8 1 2 |7 6 9 8 9 1 |4 7 6 |2 5 3 ------+------+------ 9 1 7 |2 5 3 |6 8 4 2 4 3 |1 6 8 |9 7 5 6 5 8 |9 4 7 |1 3 2 (0.03 seconds) . . . |5 . . |. . . . . . |. . . |5 . 6 9 7 . |. . . |. 2 . ------+------+------ . . 4 |8 . 2 |. . . 2 5 . |1 . . |. 3 . . 8 . |. 3 . |. . . ------+------+------ . . . |. . 4 |. 7 . . 1 3 |. 5 . |. 9 . . 2 . |. . 3 |1 . . 8 3 6 |5 2 1 |9 4 7 1 4 2 |3 7 9 |5 8 6 9 7 5 |6 4 8 |3 2 1 ------+------+------ 3 6 4 |8 9 2 |7 1 5 2 5 9 |1 6 7 |4 3 8 7 8 1 |4 3 5 |2 6 9 ------+------+------ 5 9 8 |2 1 4 |6 7 3 4 1 3 |7 5 6 |8 9 2 6 2 7 |9 8 3 |1 5 4 (0.02 seconds) . 2 . |. . . |. . . 3 . 5 |. 6 2 |. . 9 . 6 8 |. . . |3 . . ------+------+------ . 5 . |. . . |. . . . . . |6 4 . |8 . 2 . . 4 |7 . . |9 . . ------+------+------ . . 3 |. . . |. . 1 . . . |. . 6 |. . . 1 7 . |4 3 . |. . . 4 2 7 |5 9 3 |1 8 6 3 1 5 |8 6 2 |4 7 9 9 6 8 |1 7 4 |3 2 5 ------+------+------ 6 5 9 |3 2 8 |7 1 4 7 3 1 |6 4 9 |8 5 2 2 8 4 |7 5 1 |9 6 3 ------+------+------ 5 9 3 |2 8 7 |6 4 1 8 4 2 |9 1 6 |5 3 7 1 7 6 |4 3 5 |2 9 8 (0.02 seconds) . 8 . |. 4 . |. . . 3 . . |. . . |. 1 . . . . |. . . |. 2 . ------+------+------ . . 5 |. . . |4 . 6 9 . . |1 . . |8 . . 2 . . |. . . |. . . ------+------+------ . . . |3 . 9 |. . . . 6 . |. . . |5 . . . . . |2 . . |. . . 7 8 1 |9 4 2 |3 6 5 3 2 4 |5 7 6 |9 1 8 6 5 9 |8 3 1 |7 2 4 ------+------+------ 8 1 5 |7 2 3 |4 9 6 9 3 6 |1 5 4 |8 7 2 2 4 7 |6 9 8 |1 5 3 ------+------+------ 5 7 8 |3 6 9 |2 4 1 1 6 2 |4 8 7 |5 3 9 4 9 3 |2 1 5 |6 8 7 (0.03 seconds) . . 8 |. 9 . |1 . . . 6 . |5 . . |. 2 . . . . |. . 6 |. . . ------+------+------ . 3 . |1 . 7 |. 5 . . . . |. . . |. . 9 . . 4 |. . . |3 . . ------+------+------ . 5 . |. . . |2 . . . 7 . |. . 3 |. 8 . 2 . . |7 . . |. . 4 7 4 8 |3 9 2 |1 6 5 3 6 9 |5 1 4 |7 2 8 1 2 5 |8 7 6 |9 4 3 ------+------+------ 9 3 2 |1 4 7 |8 5 6 6 8 7 |2 3 5 |4 1 9 5 1 4 |6 8 9 |3 7 2 ------+------+------ 8 5 3 |4 6 1 |2 9 7 4 7 6 |9 2 3 |5 8 1 2 9 1 |7 5 8 |6 3 4 (0.03 seconds) 4 . . |. . . |5 . 8 . 3 . |. . . |. . . . . . |7 . . |. . . ------+------+------ . 2 . |. . . |. 6 . . . . |. 5 . |8 . . . . . |. 1 . |. . . ------+------+------ . . . |6 . 3 |. 7 . 5 . . |2 . . |. . . 1 . 8 |. . . |. . . 4 1 7 |3 6 9 |5 2 8 8 3 9 |1 2 5 |7 4 6 6 5 2 |7 4 8 |3 1 9 ------+------+------ 9 2 5 |8 3 7 |4 6 1 7 4 1 |9 5 6 |8 3 2 3 8 6 |4 1 2 |9 5 7 ------+------+------ 2 9 4 |6 8 3 |1 7 5 5 7 3 |2 9 1 |6 8 4 1 6 8 |5 7 4 |2 9 3 (0.02 seconds) 1 . . |. . . |3 . 8 . 6 . |4 . . |. . . . . . |. . . |. . . ------+------+------ 2 . 3 |. 1 . |. . . . . . |. . . |. 9 5 8 . . |. . . |. . . ------+------+------ . 5 . |6 . . |. 7 . . . . |. 8 . |2 . . . 4 . |. . . |. . . 1 2 4 |5 9 7 |3 6 8 3 6 9 |4 2 8 |5 1 7 5 8 7 |3 6 1 |9 2 4 ------+------+------ 2 9 3 |8 1 5 |7 4 6 4 1 6 |2 7 3 |8 9 5 8 7 5 |9 4 6 |1 3 2 ------+------+------ 9 5 8 |6 3 2 |4 7 1 6 3 1 |7 8 4 |2 5 9 7 4 2 |1 5 9 |6 8 3 (0.08 seconds) 1 . . |. . 6 |. 8 . . 6 4 |. . . |. . . . . . |. 4 . |. . 7 ------+------+------ . . . |. 9 . |6 . . . 7 . |4 . . |5 . . 5 . . |. 7 . |1 . . ------+------+------ . 5 . |. . . |3 2 . 3 . . |. . 8 |. . . 4 . . |. . . |. . . 1 3 7 |9 2 6 |4 8 5 9 6 4 |5 8 7 |2 3 1 8 2 5 |3 4 1 |9 6 7 ------+------+------ 2 4 1 |8 9 5 |6 7 3 6 7 3 |4 1 2 |5 9 8 5 8 9 |6 7 3 |1 4 2 ------+------+------ 7 5 8 |1 6 4 |3 2 9 3 9 6 |2 5 8 |7 1 4 4 1 2 |7 3 9 |8 5 6 (0.02 seconds) 2 4 9 |. 6 . |. . 3 . 3 . |. . . |2 . . 8 . . |. . . |. . 5 ------+------+------ . . . |. . 6 |. . . . . . |2 . . |. . . . 1 . |. 4 . |8 2 . ------+------+------ . 9 . |5 . . |7 . . . . 4 |. . . |. . 1 . 7 . |. . 3 |. . . 2 4 9 |8 6 5 |1 7 3 5 3 1 |9 7 4 |2 6 8 8 6 7 |1 3 2 |4 9 5 ------+------+------ 4 2 3 |7 8 6 |5 1 9 9 8 6 |2 5 1 |3 4 7 7 1 5 |3 4 9 |8 2 6 ------+------+------ 6 9 2 |5 1 8 |7 3 4 3 5 4 |6 2 7 |9 8 1 1 7 8 |4 9 3 |6 5 2 (0.03 seconds) . . . |8 . . |. . 9 . 8 7 |3 . . |. 4 . 6 . . |7 . . |. . . ------+------+------ . . 8 |5 . . |9 7 . . . . |. . . |. . . . 4 3 |. . 7 |5 . . ------+------+------ . . . |. . 3 |. . . . 3 . |. . 1 |4 5 . 4 . . |. . 2 |. . 1 3 5 1 |8 4 6 |7 2 9 2 8 7 |3 1 9 |6 4 5 6 9 4 |7 2 5 |1 8 3 ------+------+------ 1 6 8 |5 3 4 |9 7 2 7 2 5 |1 9 8 |3 6 4 9 4 3 |2 6 7 |5 1 8 ------+------+------ 5 1 6 |4 8 3 |2 9 7 8 3 2 |9 7 1 |4 5 6 4 7 9 |6 5 2 |8 3 1 (0.03 seconds) . . . |5 . 1 |. . . . 9 . |. . . |8 . . . 6 . |. . . |. . . ------+------+------ 4 . 1 |. . . |. . . . . . |. 7 . |. 9 . . . . |. . . |. 3 . ------+------+------ 8 . . |. . . |1 . 5 . . . |2 . . |4 . . . . . |3 6 . |. . . 7 4 8 |5 9 1 |3 2 6 1 9 5 |6 2 3 |8 4 7 2 6 3 |4 8 7 |5 1 9 ------+------+------ 4 2 1 |9 3 6 |7 5 8 3 5 6 |8 7 4 |2 9 1 9 8 7 |1 5 2 |6 3 4 ------+------+------ 8 3 2 |7 4 9 |1 6 5 6 7 9 |2 1 5 |4 8 3 5 1 4 |3 6 8 |9 7 2 (0.02 seconds) . . . |. . . |8 . 1 6 . . |2 . . |. . . . . . |7 . 5 |. . . ------+------+------ . . . |6 . . |. 2 . . 1 . |. . . |3 . . . 8 . |. . . |. . . ------+------+------ 2 . . |. . . |. 7 . . 3 . |. 8 . |. . . 5 . . |. 4 . |. . . 7 2 3 |4 6 9 |8 5 1 6 5 1 |2 3 8 |7 9 4 8 9 4 |7 1 5 |6 3 2 ------+------+------ 3 7 5 |6 9 1 |4 2 8 9 1 2 |8 7 4 |3 6 5 4 8 6 |5 2 3 |9 1 7 ------+------+------ 2 4 8 |3 5 6 |1 7 9 1 3 7 |9 8 2 |5 4 6 5 6 9 |1 4 7 |2 8 3 (0.08 seconds) . 4 7 |6 . . |. 5 . 8 . 3 |. . . |. . 2 . . . |. . 9 |. . . ------+------+------ . . . |8 . 5 |. . 6 . . . |1 . . |. . . 6 . 2 |4 . . |. . . ------+------+------ . 7 8 |. . . |5 1 . . . 6 |. . . |. 4 . . 9 . |. . 4 |. . 7 9 4 7 |6 2 8 |3 5 1 8 6 3 |7 5 1 |4 9 2 1 2 5 |3 4 9 |6 7 8 ------+------+------ 7 3 4 |8 9 5 |1 2 6 5 8 9 |1 6 2 |7 3 4 6 1 2 |4 7 3 |9 8 5 ------+------+------ 4 7 8 |2 3 6 |5 1 9 2 5 6 |9 1 7 |8 4 3 3 9 1 |5 8 4 |2 6 7 (0.02 seconds) . . . |. . 7 |. 9 5 . . . |. . 1 |. . . 8 6 . |. 2 . |. . . ------+------+------ . 2 . |. 7 3 |. . 8 5 . . |. . . |. 6 . . . 3 |. . 4 |9 . . ------+------+------ 3 . 5 |. . . |4 1 7 2 4 . |. . . |. . . . . . |. . . |. . . 1 3 2 |4 6 7 |8 9 5 9 5 7 |3 8 1 |2 4 6 8 6 4 |5 2 9 |7 3 1 ------+------+------ 4 2 9 |6 7 3 |1 5 8 5 7 8 |9 1 2 |3 6 4 6 1 3 |8 5 4 |9 7 2 ------+------+------ 3 8 5 |2 9 6 |4 1 7 2 4 1 |7 3 5 |6 8 9 7 9 6 |1 4 8 |5 2 3 (0.03 seconds) . 4 . |5 . . |. . . 8 . . |. 9 . |. 3 . . 7 6 |. 2 . |. . . ------+------+------ . 1 4 |6 . . |. . . . . . |. . 9 |. . 7 . . . |. . 3 |6 . . ------+------+------ . . 1 |. . 4 |. 5 . . 6 . |. . . |. . 3 . . 7 |1 . . |2 . . 1 4 3 |5 8 7 |9 6 2 8 5 2 |4 9 6 |7 3 1 9 7 6 |3 2 1 |5 8 4 ------+------+------ 2 1 4 |6 7 5 |3 9 8 6 3 5 |8 1 9 |4 2 7 7 8 9 |2 4 3 |6 1 5 ------+------+------ 3 2 1 |7 6 4 |8 5 9 4 6 8 |9 5 2 |1 7 3 5 9 7 |1 3 8 |2 4 6 (0.03 seconds) . 8 3 |4 . . |. . . . . . |. 7 . |. 5 . . . . |. . . |. . . ------+------+------ . 4 . |1 . 8 |. . . . . . |. . . |. 2 7 . . . |3 . . |. . . ------+------+------ 2 . 6 |. 5 . |. . . 5 . . |. . . |8 . . . . . |. . . |1 . . 7 8 3 |4 6 5 |2 1 9 4 2 1 |9 7 3 |6 5 8 9 6 5 |2 8 1 |7 3 4 ------+------+------ 3 4 7 |1 2 8 |5 9 6 1 9 8 |5 4 6 |3 2 7 6 5 2 |3 9 7 |4 8 1 ------+------+------ 2 1 6 |8 5 4 |9 7 3 5 3 4 |7 1 9 |8 6 2 8 7 9 |6 3 2 |1 4 5 (0.03 seconds) . . 9 |. . . |. . 3 . . . |. . 9 |. . . 7 . . |. . . |5 . 6 ------+------+------ . . 6 |5 . . |4 . . . . . |3 . . |. . . . 2 8 |. . . |. . . ------+------+------ 3 . . |7 5 . |6 . . 6 . . |. . . |. . . . . . |1 2 . |3 . 8 2 1 9 |6 7 5 |8 4 3 8 6 5 |4 3 9 |7 2 1 7 4 3 |2 8 1 |5 9 6 ------+------+------ 9 3 6 |5 1 2 |4 8 7 1 5 7 |3 4 8 |9 6 2 4 2 8 |9 6 7 |1 3 5 ------+------+------ 3 8 2 |7 5 4 |6 1 9 6 7 1 |8 9 3 |2 5 4 5 9 4 |1 2 6 |3 7 8 (0.04 seconds) . 2 6 |. 3 9 |. . . . . . |6 . . |. . 1 9 . . |. . . |7 . . ------+------+------ . . . |. . 4 |. . 9 . 5 . |. . . |2 . . . . 8 |5 . . |. . . ------+------+------ 3 . . |2 . . |9 . . 4 . . |. . 7 |6 2 . . . . |. . . |. . 4 1 2 6 |7 3 9 |8 4 5 8 4 7 |6 2 5 |3 9 1 9 3 5 |4 8 1 |7 6 2 ------+------+------ 2 1 3 |8 6 4 |5 7 9 6 5 4 |9 7 3 |2 1 8 7 9 8 |5 1 2 |4 3 6 ------+------+------ 3 6 1 |2 4 8 |9 5 7 4 8 9 |1 5 7 |6 2 3 5 7 2 |3 9 6 |1 8 4 (0.01 seconds) 2 . 3 |. 8 . |. . . 8 . . |7 . . |. . . . . . |. . . |1 . . ------+------+------ . 6 . |5 . 7 |. . . 4 . . |. . . |. 3 . . . . |1 . . |. . . ------+------+------ . . . |. . . |. 8 2 . 5 . |. . . |6 . . . 1 . |. . . |. . . 2 7 3 |6 8 1 |4 9 5 8 9 1 |7 5 4 |2 6 3 5 4 6 |3 9 2 |1 7 8 ------+------+------ 1 6 9 |5 3 7 |8 2 4 4 8 5 |2 6 9 |7 3 1 3 2 7 |1 4 8 |9 5 6 ------+------+------ 7 3 4 |9 1 6 |5 8 2 9 5 8 |4 2 3 |6 1 7 6 1 2 |8 7 5 |3 4 9 (0.19 seconds) 6 . . |3 . 2 |. . . . 1 . |. . . |. 5 . . . . |. . . |. . . ------+------+------ 7 . 2 |6 . . |. . . . . . |. . . |. 8 4 3 . . |. . . |. . . ------+------+------ . 8 . |1 5 . |. . . . . . |. 8 . |2 . . . . . |. . . |7 . . 6 5 4 |3 1 2 |8 7 9 9 1 3 |8 7 6 |4 5 2 8 2 7 |4 9 5 |1 3 6 ------+------+------ 7 4 2 |6 3 8 |5 9 1 1 6 5 |7 2 9 |3 8 4 3 9 8 |5 4 1 |6 2 7 ------+------+------ 2 8 6 |1 5 7 |9 4 3 4 7 1 |9 8 3 |2 6 5 5 3 9 |2 6 4 |7 1 8 (0.04 seconds) 1 . . |. . . |9 . . . 6 4 |. . 1 |. 7 . . 7 . |. 4 . |. . . ------+------+------ . . . |3 . . |. . . 3 . 8 |9 . . |5 . . . . 7 |. . . |. 2 . ------+------+------ . . . |. 6 . |7 . 9 . . . |. . 4 |. 1 . . . . |1 2 9 |. 3 . 1 5 2 |7 3 8 |9 4 6 8 6 4 |2 9 1 |3 7 5 9 7 3 |6 4 5 |2 8 1 ------+------+------ 2 1 6 |3 5 7 |4 9 8 3 4 8 |9 1 2 |5 6 7 5 9 7 |4 8 6 |1 2 3 ------+------+------ 4 2 1 |8 6 3 |7 5 9 6 3 9 |5 7 4 |8 1 2 7 8 5 |1 2 9 |6 3 4 (0.02 seconds) . . . |. . . |. . . 9 . . |. . . |. 8 4 . 6 2 |3 . . |. 5 . ------+------+------ . . . |6 . . |. 4 5 3 . . |. 1 . |. . 6 . . . |9 . . |. 7 . ------+------+------ . . . |1 . . |. . . 4 . 5 |. . 2 |. . . . 3 . |8 . . |. . 9 1 7 4 |5 8 9 |3 6 2 9 5 3 |2 6 1 |7 8 4 8 6 2 |3 4 7 |9 5 1 ------+------+------ 2 1 9 |6 7 3 |8 4 5 3 8 7 |4 1 5 |2 9 6 5 4 6 |9 2 8 |1 7 3 ------+------+------ 6 2 8 |1 9 4 |5 3 7 4 9 5 |7 3 2 |6 1 8 7 3 1 |8 5 6 |4 2 9 (0.01 seconds) . 2 . |. . . |5 9 3 8 . . |5 . . |4 6 . 9 4 . |. 6 . |. . 8 ------+------+------ . . 2 |. 3 . |. . . . 6 . |. 8 . |7 3 . 7 . . |2 . . |. . . ------+------+------ . . . |. 4 . |3 8 . . 7 . |. . . |6 . . . . . |. . . |. . 5 1 2 6 |4 7 8 |5 9 3 8 3 7 |5 9 2 |4 6 1 9 4 5 |3 6 1 |2 7 8 ------+------+------ 4 1 2 |9 3 7 |8 5 6 5 6 9 |1 8 4 |7 3 2 7 8 3 |2 5 6 |9 1 4 ------+------+------ 2 5 1 |6 4 9 |3 8 7 3 7 4 |8 1 5 |6 2 9 6 9 8 |7 2 3 |1 4 5 (0.02 seconds) 9 . 4 |. . 5 |. . . 2 5 . |6 . . |1 . . 3 1 . |. . . |. . 8 ------+------+------ . 7 . |. . 9 |. . . 4 . . |2 6 . |. . . . . 1 |4 7 . |. . . ------+------+------ 7 . . |. . . |. . 2 . . . |3 . . |8 . 6 . 4 . |. . . |. 9 . 9 6 4 |8 1 5 |2 3 7 2 5 8 |6 3 7 |1 4 9 3 1 7 |9 2 4 |6 5 8 ------+------+------ 8 7 2 |1 5 9 |3 6 4 4 9 5 |2 6 3 |7 8 1 6 3 1 |4 7 8 |9 2 5 ------+------+------ 7 8 3 |5 9 6 |4 1 2 5 2 9 |3 4 1 |8 7 6 1 4 6 |7 8 2 |5 9 3 (0.02 seconds) . . . |5 2 . |. . . . 9 . |. . 3 |. . 4 . . . |. . . |7 . . ------+------+------ . 1 . |. . . |. 4 . . 8 . |. 4 5 |3 . . 6 . . |. 1 . |. . 8 ------+------+------ 7 . 2 |. . . |. . . . . 8 |. . . |. 3 2 . 4 . |. 8 . |. 1 . 4 7 6 |5 2 9 |1 8 3 8 9 5 |1 7 3 |6 2 4 3 2 1 |8 6 4 |7 9 5 ------+------+------ 5 1 7 |3 9 8 |2 4 6 2 8 9 |6 4 5 |3 7 1 6 3 4 |7 1 2 |9 5 8 ------+------+------ 7 5 2 |4 3 1 |8 6 9 1 6 8 |9 5 7 |4 3 2 9 4 3 |2 8 6 |5 1 7 (0.03 seconds) 5 3 . |. 2 . |9 . . . 2 4 |. 3 . |. 5 . . . 9 |. . . |. . . ------+------+------ . . . |. 1 . |8 2 7 . . . |7 . . |. . . . . . |. 9 8 |1 . . ------+------+------ . . . |. . . |. . . . . 6 |4 . . |. . 9 1 . 2 |. 5 . |4 3 . 5 3 8 |1 2 7 |9 4 6 6 2 4 |8 3 9 |7 5 1 7 1 9 |6 4 5 |3 8 2 ------+------+------ 9 6 5 |3 1 4 |8 2 7 3 8 1 |7 6 2 |5 9 4 2 4 7 |5 9 8 |1 6 3 ------+------+------ 4 9 3 |2 8 1 |6 7 5 8 5 6 |4 7 3 |2 1 9 1 7 2 |9 5 6 |4 3 8 (0.03 seconds) 1 . . |. . 7 |8 6 . . . 7 |. . 8 |. 1 . 8 . . |2 . . |. . 9 ------+------+------ . . . |. . . |. . 2 4 . . |. 1 . |. . . . . 9 |. . 5 |. . . ------+------+------ 6 . 8 |. . . |. . . . . . |. 5 . |9 . . . . . |. . 9 |3 . 4 1 2 4 |5 9 7 |8 6 3 9 3 7 |6 4 8 |2 1 5 8 5 6 |2 3 1 |7 4 9 ------+------+------ 5 1 3 |7 8 6 |4 9 2 4 8 2 |9 1 3 |6 5 7 7 6 9 |4 2 5 |1 3 8 ------+------+------ 6 9 8 |3 7 4 |5 2 1 3 4 1 |8 5 2 |9 7 6 2 7 5 |1 6 9 |3 8 4 (0.02 seconds) . . . |. 5 . |. . 1 1 . . |. . . |. 7 . . 6 . |. . . |. 8 . ------+------+------ . . . |. . 4 |. . . . . 9 |. 1 . |3 . . . . . |5 9 6 |. 2 . ------+------+------ . 8 . |. 6 2 |. . 7 . . 7 |. . . |. . . 3 . 5 |. 7 . |2 . . 8 7 2 |4 5 9 |6 3 1 1 5 4 |6 8 3 |9 7 2 9 6 3 |7 2 1 |4 8 5 ------+------+------ 2 1 6 |8 3 4 |7 5 9 5 4 9 |2 1 7 |3 6 8 7 3 8 |5 9 6 |1 2 4 ------+------+------ 4 8 1 |3 6 2 |5 9 7 6 2 7 |9 4 5 |8 1 3 3 9 5 |1 7 8 |2 4 6 (0.01 seconds) . 4 7 |. 2 . |. . . 8 . . |. . 1 |. . . . 3 . |. . . |9 . 2 ------+------+------ . . . |. . 5 |. . . 6 . . |8 1 . |. 5 . . . . |. 4 . |. . . ------+------+------ . 7 . |. . . |3 . 4 . . . |9 . . |. 1 . 4 . . |2 7 . |8 . . 9 4 7 |3 2 6 |5 8 1 8 5 2 |4 9 1 |6 7 3 1 3 6 |5 8 7 |9 4 2 ------+------+------ 2 8 4 |7 3 5 |1 6 9 6 9 3 |8 1 2 |4 5 7 7 1 5 |6 4 9 |2 3 8 ------+------+------ 5 7 9 |1 6 8 |3 2 4 3 2 8 |9 5 4 |7 1 6 4 6 1 |2 7 3 |8 9 5 (0.04 seconds) . . . |. . . |9 4 . . . . |. 9 . |. . 5 3 . . |. . 5 |. 7 . ------+------+------ . 8 . |4 . . |1 . . 4 6 3 |. . . |. . . . . . |. . 7 |. 8 . ------+------+------ 8 . . |7 . . |. . . 7 . . |. . . |. 2 8 . 5 . |2 6 . |. . . 2 1 5 |8 7 6 |9 4 3 6 7 8 |3 9 4 |2 1 5 3 4 9 |1 2 5 |8 7 6 ------+------+------ 5 8 7 |4 3 2 |1 6 9 4 6 3 |9 8 1 |7 5 2 1 9 2 |6 5 7 |3 8 4 ------+------+------ 8 2 6 |7 4 3 |5 9 1 7 3 4 |5 1 9 |6 2 8 9 5 1 |2 6 8 |4 3 7 (0.02 seconds) . 2 . |. . . |. . 6 . . . |. 4 1 |. . . . . 7 |8 . . |. . 1 ------+------+------ . . . |. . . |7 . . . . 3 |7 . . |. . . 6 . . |4 1 2 |. . . ------+------+------ . 1 . |. 7 4 |. . 5 . . 8 |. 5 . |. 7 . . . . |. . 3 |9 . . 1 2 4 |3 9 7 |8 5 6 8 3 5 |6 4 1 |2 9 7 9 6 7 |8 2 5 |3 4 1 ------+------+------ 2 4 1 |5 3 8 |7 6 9 5 8 3 |7 6 9 |4 1 2 6 7 9 |4 1 2 |5 3 8 ------+------+------ 3 1 2 |9 7 4 |6 8 5 4 9 8 |2 5 6 |1 7 3 7 5 6 |1 8 3 |9 2 4 (0.05 seconds) 1 . . |. . . |3 . 8 . 6 . |4 . . |. . . . . . |. . . |. . . ------+------+------ 2 . 3 |. 1 . |. . . . . . |. . . |. 7 5 8 . . |. . . |. . . ------+------+------ . 7 . |5 . . |. 6 . . . . |. 8 . |2 . . . 4 . |. . . |. . . 1 2 5 |9 7 6 |3 4 8 3 6 9 |4 2 8 |5 1 7 7 8 4 |3 5 1 |9 2 6 ------+------+------ 2 5 3 |8 1 7 |6 9 4 4 1 6 |2 9 3 |8 7 5 8 9 7 |6 4 5 |1 3 2 ------+------+------ 9 7 8 |5 3 2 |4 6 1 6 3 1 |7 8 4 |2 5 9 5 4 2 |1 6 9 |7 8 3 (0.06 seconds) 2 . . |. . 1 |. 9 . . 1 . |. 3 . |7 . . 9 . . |8 . . |. 2 . ------+------+------ . . . |. . . |8 5 . . 6 . |4 . . |. . . . . . |. 7 . |. . 3 ------+------+------ . 2 . |3 . . |. 6 . . . . |5 . . |. . . 1 . 9 |. . . |2 . 5 2 8 3 |7 4 1 |5 9 6 6 1 5 |2 3 9 |7 4 8 9 7 4 |8 6 5 |3 2 1 ------+------+------ 3 9 7 |1 2 6 |8 5 4 8 6 1 |4 5 3 |9 7 2 4 5 2 |9 7 8 |6 1 3 ------+------+------ 5 2 8 |3 9 4 |1 6 7 7 3 6 |5 1 2 |4 8 9 1 4 9 |6 8 7 |2 3 5 (0.01 seconds) . . 7 |. . 8 |. . . . . 6 |. 2 . |3 . . . 3 . |. . . |. . 9 ------+------+------ . 1 . |. 5 . |. 6 . . . . |. 1 . |. . . . 7 . |9 . . |. . 2 ------+------+------ . . . |. . . |. . 4 . 8 3 |. . 4 |. . . 2 6 . |. . . |5 1 . 9 5 7 |6 3 8 |4 2 1 1 4 6 |7 2 9 |3 8 5 8 3 2 |5 4 1 |6 7 9 ------+------+------ 4 1 9 |3 5 2 |7 6 8 6 2 8 |4 1 7 |9 5 3 3 7 5 |9 8 6 |1 4 2 ------+------+------ 7 9 1 |2 6 5 |8 3 4 5 8 3 |1 7 4 |2 9 6 2 6 4 |8 9 3 |5 1 7 (0.04 seconds) . . . |3 6 . |. . . 8 5 . |. . . |. . . 9 . 4 |. . 8 |. . . ------+------+------ . . . |. . 6 |8 . . . . . |. . . |. 1 7 . . 9 |. . 4 |5 . . ------+------+------ . 1 . |5 . . |. 6 . 4 . . |. . 9 |. . 2 . . . |. . 3 |. . . 1 2 7 |3 6 5 |4 8 9 8 5 3 |4 9 1 |2 7 6 9 6 4 |2 7 8 |3 5 1 ------+------+------ 2 3 1 |7 5 6 |8 9 4 5 4 8 |9 3 2 |6 1 7 6 7 9 |1 8 4 |5 2 3 ------+------+------ 3 1 2 |5 4 7 |9 6 8 4 8 5 |6 1 9 |7 3 2 7 9 6 |8 2 3 |1 4 5 (0.01 seconds) 3 4 . |6 . . |. . . . . 7 |. . . |. . . . 2 . |. 8 . |5 7 . ------+------+------ . . . |. . 5 |. . . . 7 . |. 1 . |. 2 . . . . |4 . . |. . . ------+------+------ . 3 6 |. 2 . |. 1 . . . . |. . . |9 . . . . . |. . 7 |. 8 2 3 4 5 |6 7 1 |2 9 8 9 8 7 |2 5 3 |1 4 6 6 2 1 |9 8 4 |5 7 3 ------+------+------ 2 6 4 |7 9 5 |8 3 1 5 7 3 |8 1 6 |4 2 9 1 9 8 |4 3 2 |6 5 7 ------+------+------ 8 3 6 |5 2 9 |7 1 4 7 1 2 |3 4 8 |9 6 5 4 5 9 |1 6 7 |3 8 2 (0.03 seconds) . . . |. . . |4 . 1 8 . . |2 . . |. . . . . . |6 . 7 |. . . ------+------+------ . . . |8 . . |. 6 . . 4 . |. . . |3 . . . 1 . |. . . |. . . ------+------+------ 6 . . |. . . |. 2 . . 5 . |. 1 . |. . . 7 . . |. 3 . |. . . 2 6 5 |3 8 9 |4 7 1 8 7 4 |2 5 1 |6 9 3 1 9 3 |6 4 7 |8 5 2 ------+------+------ 3 2 7 |8 9 4 |1 6 5 9 4 6 |1 2 5 |3 8 7 5 1 8 |7 6 3 |2 4 9 ------+------+------ 6 3 1 |5 7 8 |9 2 4 4 5 2 |9 1 6 |7 3 8 7 8 9 |4 3 2 |5 1 6 (0.06 seconds) . 4 . |. 5 . |. 6 7 . . . |1 . . |. 4 . . . . |2 . . |. . . ------+------+------ 1 . . |8 . . |3 . . . . . |. . . |2 . . . 6 . |. . . |. . . ------+------+------ . . . |. 4 . |. 5 . 3 . . |. . . |8 . . 2 . . |. . . |. . . 8 4 2 |3 5 9 |1 6 7 5 7 3 |1 8 6 |9 4 2 6 1 9 |2 7 4 |5 3 8 ------+------+------ 1 2 7 |8 6 5 |3 9 4 4 3 5 |7 9 1 |2 8 6 9 6 8 |4 2 3 |7 1 5 ------+------+------ 7 8 1 |9 4 2 |6 5 3 3 5 4 |6 1 7 |8 2 9 2 9 6 |5 3 8 |4 7 1 (0.05 seconds) . . . |. . . |. 4 . . . 2 |. . 4 |. . 1 . 7 . |. 5 . |. 9 . ------+------+------ . . 3 |. . 7 |. . . . 4 . |. 6 . |. . . 6 . . |1 . . |8 . . ------+------+------ . 2 . |. . . |1 . . 8 5 . |9 . . |. 6 . . . . |. 8 . |. . 3 5 3 8 |2 1 9 |7 4 6 9 6 2 |8 7 4 |5 3 1 1 7 4 |3 5 6 |2 9 8 ------+------+------ 2 8 3 |4 9 7 |6 1 5 7 4 1 |5 6 8 |3 2 9 6 9 5 |1 2 3 |8 7 4 ------+------+------ 3 2 9 |6 4 5 |1 8 7 8 5 7 |9 3 1 |4 6 2 4 1 6 |7 8 2 |9 5 3 (0.03 seconds) 8 . . |7 . . |. . 4 . 5 . |. . . |6 . . . . . |. . . |. . . ------+------+------ . 3 . |9 7 . |. . 8 . . . |. 4 3 |. . 5 . . . |. 2 . |9 . . ------+------+------ . . 6 |. . . |. . . 2 . . |. 6 . |. . 7 . 7 1 |. . 8 |3 . 2 8 6 3 |7 5 1 |2 9 4 9 5 7 |4 3 2 |6 8 1 1 2 4 |6 8 9 |5 7 3 ------+------+------ 5 3 2 |9 7 6 |1 4 8 6 1 9 |8 4 3 |7 2 5 7 4 8 |1 2 5 |9 3 6 ------+------+------ 3 8 6 |2 1 7 |4 5 9 2 9 5 |3 6 4 |8 1 7 4 7 1 |5 9 8 |3 6 2 (0.02 seconds) . 8 . |. . 4 |. 5 . . . . |7 . . |3 . . . . . |. . . |. . . ------+------+------ . 1 . |. 8 5 |. . . 6 . . |. . . |2 . . . . . |. 4 . |. . . ------+------+------ 3 . 2 |6 . . |. . . . . . |. . . |. 4 1 7 . . |. . . |. . . 9 8 6 |3 2 4 |1 5 7 1 2 4 |7 5 9 |3 6 8 5 3 7 |8 6 1 |4 2 9 ------+------+------ 4 1 3 |2 8 5 |9 7 6 6 9 5 |1 7 3 |2 8 4 2 7 8 |9 4 6 |5 1 3 ------+------+------ 3 4 2 |6 1 7 |8 9 5 8 6 9 |5 3 2 |7 4 1 7 5 1 |4 9 8 |6 3 2 (0.11 seconds) . . . |. 7 . |. 8 . . . 6 |. . . |5 . . . 2 . |. . 3 |. 6 1 ------+------+------ . 1 . |. . 7 |. . 2 . . 8 |. . 5 |3 4 . 2 . . |9 . . |. . . ------+------+------ . . 2 |. . . |. . . 5 8 . |. . 6 |. 3 . 4 . . |. 1 . |. . . 9 4 5 |6 7 1 |2 8 3 1 3 6 |4 8 2 |5 9 7 8 2 7 |5 9 3 |4 6 1 ------+------+------ 6 1 4 |8 3 7 |9 5 2 7 9 8 |1 2 5 |3 4 6 2 5 3 |9 6 4 |1 7 8 ------+------+------ 3 6 2 |7 5 9 |8 1 4 5 8 1 |2 4 6 |7 3 9 4 7 9 |3 1 8 |6 2 5 (0.01 seconds) . . . |. . . |8 . 1 6 . . |2 . . |. . . . . . |7 . 5 |. . . ------+------+------ . . . |6 . . |. 2 . . 1 . |. . . |3 . . . 8 . |. . . |. . . ------+------+------ 2 . . |. . . |. 7 . . 4 . |. 8 . |. . . 5 . . |. 3 . |. . . 7 2 4 |3 6 9 |8 5 1 6 5 1 |2 4 8 |7 9 3 8 9 3 |7 1 5 |6 4 2 ------+------+------ 3 7 5 |6 9 1 |4 2 8 9 1 2 |8 7 4 |3 6 5 4 8 6 |5 2 3 |9 1 7 ------+------+------ 2 3 8 |4 5 6 |1 7 9 1 4 7 |9 8 2 |5 3 6 5 6 9 |1 3 7 |2 8 4 (0.06 seconds) . 2 . |. . . |. . . . . . |6 . . |. . 3 . 7 4 |. 8 . |. . . ------+------+------ . . . |. . 3 |. . 2 . 8 . |. 4 . |. 1 . 6 . . |5 . . |. . . ------+------+------ . . . |. 1 . |7 8 . 5 . . |. . 9 |. . . . . . |. . . |. 4 . 1 2 6 |4 3 7 |9 5 8 8 9 5 |6 2 1 |4 7 3 3 7 4 |9 8 5 |1 2 6 ------+------+------ 4 5 7 |1 9 3 |8 6 2 9 8 3 |2 4 6 |5 1 7 6 1 2 |5 7 8 |3 9 4 ------+------+------ 2 6 9 |3 1 4 |7 8 5 5 4 8 |7 6 9 |2 3 1 7 3 1 |8 5 2 |6 4 9 (0.01 seconds) . 5 2 |. . 6 |8 . . . . . |. . 7 |. 2 . . . . |. . . |6 . . ------+------+------ . . 4 |8 . . |9 . . 2 . . |4 1 . |. . . . . 1 |. . . |. . 8 ------+------+------ . . 6 |1 . . |3 8 . . . . |. 9 . |. . 6 3 . . |6 . . |1 . 9 1 5 2 |9 4 6 |8 3 7 9 6 3 |5 8 7 |4 2 1 8 4 7 |2 3 1 |6 9 5 ------+------+------ 5 7 4 |8 6 3 |9 1 2 2 8 9 |4 1 5 |7 6 3 6 3 1 |7 2 9 |5 4 8 ------+------+------ 7 9 6 |1 5 2 |3 8 4 4 1 5 |3 9 8 |2 7 6 3 2 8 |6 7 4 |1 5 9 (0.03 seconds) . . . |. 1 . |7 8 . 5 . . |. . 9 |. . . . . . |. . . |. 4 . ------+------+------ . 2 . |. . . |. . . . . . |6 . . |. . 3 . 7 4 |. 8 . |. . . ------+------+------ . . . |. . 3 |. . 2 . 8 . |. 4 . |. 1 . 6 . . |5 . . |. . . 2 6 9 |3 1 4 |7 8 5 5 4 8 |7 6 9 |2 3 1 7 3 1 |8 5 2 |6 4 9 ------+------+------ 1 2 6 |4 3 7 |9 5 8 8 9 5 |6 2 1 |4 7 3 3 7 4 |9 8 5 |1 2 6 ------+------+------ 4 5 7 |1 9 3 |8 6 2 9 8 3 |2 4 6 |5 1 7 6 1 2 |5 7 8 |3 9 4 (0.05 seconds) 1 . . |. . . |. . 3 . 6 . |3 . . |7 . . . 7 . |. . 5 |. . 1 ------+------+------ 2 1 . |7 . . |. 9 . . . 7 |. . . |. . . . . 8 |. 1 . |. 2 . ------+------+------ . . . |8 . 6 |4 . . . . 9 |. 2 . |. 6 . . . . |4 . . |. . . 1 5 2 |6 7 8 |9 4 3 8 6 4 |3 9 1 |7 5 2 9 7 3 |2 4 5 |6 8 1 ------+------+------ 2 1 5 |7 6 3 |8 9 4 4 9 7 |5 8 2 |1 3 6 6 3 8 |9 1 4 |5 2 7 ------+------+------ 3 2 1 |8 5 6 |4 7 9 5 4 9 |1 2 7 |3 6 8 7 8 6 |4 3 9 |2 1 5 (0.02 seconds) 4 . . |. 7 . |1 . . . . 1 |9 . 4 |6 . 5 . . . |. . 1 |. . . ------+------+------ . . . |7 . . |. . 2 . . 2 |. 3 . |. . . 8 4 7 |. . 6 |. . . ------+------+------ . 1 4 |. . . |8 . 6 . 2 . |. . . |3 . . 6 . . |. 9 . |. . . 4 9 6 |5 7 3 |1 2 8 3 8 1 |9 2 4 |6 7 5 2 7 5 |8 6 1 |9 4 3 ------+------+------ 1 5 3 |7 8 9 |4 6 2 9 6 2 |4 3 5 |7 8 1 8 4 7 |2 1 6 |5 3 9 ------+------+------ 7 1 4 |3 5 2 |8 9 6 5 2 9 |6 4 8 |3 1 7 6 3 8 |1 9 7 |2 5 4 (0.01 seconds) . . . |. . . |8 . 1 7 . . |2 . . |. . . . . . |5 . 6 |. . . ------+------+------ . . . |7 . . |. 5 . . 1 . |. . . |3 . . . 8 . |. . . |. . . ------+------+------ 5 . . |. . . |. 2 . . 3 . |. 8 . |. . . 6 . . |. 4 . |. . . 2 5 3 |4 7 9 |8 6 1 7 6 1 |2 3 8 |5 9 4 8 9 4 |5 1 6 |7 3 2 ------+------+------ 3 2 6 |7 9 1 |4 5 8 9 1 5 |8 2 4 |3 7 6 4 8 7 |6 5 3 |2 1 9 ------+------+------ 5 4 8 |1 6 7 |9 2 3 1 3 2 |9 8 5 |6 4 7 6 7 9 |3 4 2 |1 8 5 (0.07 seconds) 9 6 3 |. . . |. . . 1 . . |. . 8 |. . . . . . |2 . 5 |. . . ------+------+------ . 4 . |8 . . |. . . . 1 . |. . . |7 . . . . . |. 3 . |. 2 5 ------+------+------ 7 . . |. . . |. 3 . . . 9 |. 2 . |4 . 7 . . . |. . . |9 . . 9 6 3 |7 4 1 |2 5 8 1 5 2 |3 9 8 |6 7 4 8 7 4 |2 6 5 |3 9 1 ------+------+------ 3 4 5 |8 7 2 |1 6 9 2 1 8 |9 5 6 |7 4 3 6 9 7 |1 3 4 |8 2 5 ------+------+------ 7 2 1 |4 8 9 |5 3 6 5 8 9 |6 2 3 |4 1 7 4 3 6 |5 1 7 |9 8 2 (0.01 seconds) 1 5 . |3 . . |. . . . 7 . |. 4 . |2 . . . . 4 |. 7 2 |. . . ------+------+------ . . 8 |. . . |. . . . . . |9 . . |1 . 8 . 1 . |. 8 . |7 9 . ------+------+------ . . . |. . 3 |8 . . . . . |. . . |. . . 6 . . |. . 7 |4 2 3 1 5 2 |3 9 8 |6 4 7 9 7 3 |6 4 1 |2 8 5 8 6 4 |5 7 2 |9 3 1 ------+------+------ 5 9 8 |7 1 4 |3 6 2 2 4 7 |9 3 6 |1 5 8 3 1 6 |2 8 5 |7 9 4 ------+------+------ 7 2 5 |4 6 3 |8 1 9 4 3 1 |8 2 9 |5 7 6 6 8 9 |1 5 7 |4 2 3 (0.02 seconds) . . . |. . . |. . . . 5 7 |2 4 . |. . 9 8 . . |. . 9 |4 7 . ------+------+------ . . 9 |. . 3 |. . . 5 . . |9 . . |1 2 . . . 3 |. 1 . |9 . . ------+------+------ . 6 . |. . . |2 5 . . . . |5 6 . |. . . . 7 . |. . . |. . 6 9 4 6 |7 3 1 |5 8 2 1 5 7 |2 4 8 |6 3 9 8 3 2 |6 5 9 |4 7 1 ------+------+------ 7 1 9 |4 2 3 |8 6 5 5 8 4 |9 7 6 |1 2 3 6 2 3 |8 1 5 |9 4 7 ------+------+------ 4 6 1 |3 9 7 |2 5 8 3 9 8 |5 6 2 |7 1 4 2 7 5 |1 8 4 |3 9 6 (0.01 seconds) . . . |. 7 5 |. . . . 1 . |. 2 . |. . . . 4 . |. . 3 |. . . ------+------+------ 5 . . |. . . |3 . 2 . . . |8 . . |. 1 . . . . |. . . |6 . . ------+------+------ . . . |1 . . |4 8 . 2 . . |. . . |. . . 7 . . |. . . |. . . 9 3 2 |4 7 5 |8 6 1 6 1 7 |9 2 8 |5 3 4 8 4 5 |6 1 3 |2 7 9 ------+------+------ 5 6 8 |7 4 1 |3 9 2 4 2 9 |8 3 6 |7 1 5 1 7 3 |2 5 9 |6 4 8 ------+------+------ 3 5 6 |1 9 2 |4 8 7 2 9 4 |3 8 7 |1 5 6 7 8 1 |5 6 4 |9 2 3 (0.01 seconds) 6 . . |. . . |7 . 3 . 4 . |8 . . |. . . . . . |. . . |. . . ------+------+------ . . . |5 . 4 |. 8 . 7 . . |2 . . |. . . 1 . 3 |. . . |. . . ------+------+------ . 2 . |. . . |. 5 . . . . |. 7 . |9 . . . . . |. 1 . |. . . 6 1 8 |4 5 9 |7 2 3 3 4 2 |8 6 7 |5 1 9 5 7 9 |1 2 3 |4 6 8 ------+------+------ 2 9 6 |5 3 4 |1 8 7 7 8 4 |2 9 1 |6 3 5 1 5 3 |7 8 6 |2 9 4 ------+------+------ 9 2 7 |6 4 8 |3 5 1 8 6 1 |3 7 5 |9 4 2 4 3 5 |9 1 2 |8 7 6 (0.03 seconds) . . . |. 6 . |. . 4 . . 6 |. 3 . |. . . 1 . . |4 . . |5 . 7 ------+------+------ 7 . . |. . . |8 . 5 . . . |8 . . |. . . 6 . 8 |. . . |. 9 . ------+------+------ . . 2 |. 9 . |. . . 4 . . |. . 3 |2 . . . . 9 |7 . . |1 . . 9 5 7 |2 6 1 |3 8 4 8 4 6 |5 3 7 |9 2 1 1 2 3 |4 8 9 |5 6 7 ------+------+------ 7 3 4 |9 2 6 |8 1 5 2 9 5 |8 1 4 |7 3 6 6 1 8 |3 7 5 |4 9 2 ------+------+------ 5 7 2 |1 9 8 |6 4 3 4 8 1 |6 5 3 |2 7 9 3 6 9 |7 4 2 |1 5 8 (0.02 seconds) . 3 2 |. . . |. . 5 8 . . |3 . . |. . . 9 . 4 |2 8 . |. . 1 ------+------+------ . . . |4 . . |. 3 9 . . . |6 . . |. 5 . . . . |. 1 . |. . . ------+------+------ . 2 . |. . 6 |7 . 8 . . . |. . 4 |. . . . 9 5 |. . . |. 6 . 1 3 2 |7 4 9 |6 8 5 8 5 7 |3 6 1 |9 2 4 9 6 4 |2 8 5 |3 7 1 ------+------+------ 2 1 6 |4 5 7 |8 3 9 3 4 8 |6 9 2 |1 5 7 5 7 9 |8 1 3 |2 4 6 ------+------+------ 4 2 1 |5 3 6 |7 9 8 6 8 3 |9 7 4 |5 1 2 7 9 5 |1 2 8 |4 6 3 (0.01 seconds) . . . |5 . 3 |. . . . . . |. 6 . |7 . . 5 . 8 |. . . |. 1 6 ------+------+------ 3 6 . |. 2 . |. . . . . . |4 . 1 |. . . . . . |. 3 . |. . 5 ------+------+------ 6 7 . |. . . |2 . 8 . . 4 |. 7 . |. . . . . . |2 . . |5 . . 7 4 6 |5 1 3 |8 9 2 1 3 2 |8 6 9 |7 5 4 5 9 8 |7 4 2 |3 1 6 ------+------+------ 3 6 7 |9 2 5 |4 8 1 9 2 5 |4 8 1 |6 7 3 4 8 1 |6 3 7 |9 2 5 ------+------+------ 6 7 9 |1 5 4 |2 3 8 2 5 4 |3 7 8 |1 6 9 8 1 3 |2 9 6 |5 4 7 (0.07 seconds) . 5 . |3 . 7 |. 4 . 1 . . |. . . |. . . . 3 . |. . . |. . . ------+------+------ 5 . 8 |. 3 . |6 1 . . . . |8 . . |5 . 9 . 6 . |. 1 . |. . . ------+------+------ . . . |. 4 . |. . 6 . . . |6 9 2 |7 . . . . 2 |. . . |9 . . 9 5 6 |3 2 7 |8 4 1 1 2 7 |4 8 6 |3 9 5 8 3 4 |9 5 1 |2 6 7 ------+------+------ 5 4 8 |7 3 9 |6 1 2 2 7 1 |8 6 4 |5 3 9 3 6 9 |2 1 5 |4 7 8 ------+------+------ 7 9 3 |5 4 8 |1 2 6 4 1 5 |6 9 2 |7 8 3 6 8 2 |1 7 3 |9 5 4 (0.02 seconds) . . 5 |. . 8 |. . 1 8 . . |. . . |. 9 . . . . |. . . |7 8 . ------+------+------ . . . |4 . . |. . . 6 4 . |. . . |9 . . . . . |. 5 3 |. . 2 ------+------+------ . 6 . |. . . |. . . . . 1 |3 8 . |. 5 . . . . |9 . 7 |1 4 . 9 3 5 |7 4 8 |6 2 1 8 7 6 |2 3 1 |5 9 4 1 2 4 |6 9 5 |7 8 3 ------+------+------ 5 1 2 |4 6 9 |3 7 8 6 4 3 |8 7 2 |9 1 5 7 8 9 |1 5 3 |4 6 2 ------+------+------ 2 6 7 |5 1 4 |8 3 9 4 9 1 |3 8 6 |2 5 7 3 5 8 |9 2 7 |1 4 6 (0.05 seconds) . . . |. . . |. . . . 7 2 |. 6 . |1 . . . . 5 |1 . . |. 8 2 ------+------+------ . 8 . |. . 1 |3 . . 4 . . |. . . |. . . . 3 7 |. 9 . |. 1 . ------+------+------ . . . |. 2 3 |8 . . 5 . 4 |. . 9 |. . . . . . |. . . |7 9 . 1 4 3 |2 5 8 |6 7 9 8 7 2 |9 6 4 |1 5 3 6 9 5 |1 3 7 |4 8 2 ------+------+------ 9 8 6 |5 4 1 |3 2 7 4 5 1 |3 7 2 |9 6 8 2 3 7 |8 9 6 |5 1 4 ------+------+------ 7 1 9 |6 2 3 |8 4 5 5 6 4 |7 8 9 |2 3 1 3 2 8 |4 1 5 |7 9 6 (0.01 seconds) . . . |6 5 8 |. . . . . 4 |. . . |. . . 1 2 . |. . . |. . . ------+------+------ . . . |. . 9 |6 . 7 . . . |3 . . |5 . . . . 2 |. 8 . |. . 3 ------+------+------ . . 1 |9 . . |8 . . 3 . 6 |. . . |. . 4 . . . |. 4 7 |3 . . 9 3 7 |6 5 8 |2 4 1 8 6 4 |2 9 1 |7 3 5 1 2 5 |7 3 4 |9 8 6 ------+------+------ 5 8 3 |4 1 9 |6 2 7 6 4 9 |3 7 2 |5 1 8 7 1 2 |5 8 6 |4 9 3 ------+------+------ 4 7 1 |9 6 3 |8 5 2 3 9 6 |8 2 5 |1 7 4 2 5 8 |1 4 7 |3 6 9 (0.02 seconds) . 2 . |3 . . |. . . . . 6 |. . 8 |. 9 . 8 3 . |5 . . |. . . ------+------+------ . . . |2 . . |. 8 . 7 . 9 |. . 5 |. . . . . . |. . 6 |. . 4 ------+------+------ . . . |. . . |. 1 . . . 1 |. . . |4 . 2 2 . . |7 . . |8 . 9 9 2 4 |3 6 1 |7 5 8 1 5 6 |4 7 8 |2 9 3 8 3 7 |5 9 2 |6 4 1 ------+------+------ 6 1 3 |2 4 7 |9 8 5 7 4 9 |1 8 5 |3 2 6 5 8 2 |9 3 6 |1 7 4 ------+------+------ 4 9 8 |6 2 3 |5 1 7 3 7 1 |8 5 9 |4 6 2 2 6 5 |7 1 4 |8 3 9 (0.03 seconds) . 5 . |. 9 . |. . . 1 . . |. . . |6 . . . . . |3 . 8 |. . . ------+------+------ . . 8 |. 4 . |. . 9 5 1 4 |. . . |. . . . 3 . |. . . |2 . . ------+------+------ . . . |. . . |. . 4 . 8 . |. . 6 |. . 7 7 . . |1 5 . |. 6 . 8 5 6 |4 9 1 |3 7 2 1 4 3 |5 7 2 |6 9 8 9 2 7 |3 6 8 |4 5 1 ------+------+------ 2 7 8 |6 4 5 |1 3 9 5 1 4 |9 2 3 |7 8 6 6 3 9 |8 1 7 |2 4 5 ------+------+------ 3 6 1 |7 8 9 |5 2 4 4 8 5 |2 3 6 |9 1 7 7 9 2 |1 5 4 |8 6 3 (0.02 seconds) . . . |. . 2 |. . . . . . |. 7 . |. . 1 7 . . |3 . . |. 9 . ------+------+------ 8 . . |7 . . |. . . . 2 . |8 9 . |6 . . . 1 3 |. . 6 |. . . ------+------+------ . 9 . |. 5 . |8 2 4 . . . |. . 8 |9 1 . . . . |. . . |. . . 6 5 9 |4 1 2 |3 7 8 2 3 8 |6 7 9 |4 5 1 7 4 1 |3 8 5 |2 9 6 ------+------+------ 8 6 5 |7 2 3 |1 4 9 4 2 7 |8 9 1 |6 3 5 9 1 3 |5 4 6 |7 8 2 ------+------+------ 3 9 6 |1 5 7 |8 2 4 5 7 4 |2 6 8 |9 1 3 1 8 2 |9 3 4 |5 6 7 (0.02 seconds) 3 . . |. 8 . |. . . . . . |7 . . |. . 5 1 . . |. . . |. . . ------+------+------ . . . |. . . |3 6 . . . 2 |. . 4 |. . . . 7 . |. . . |. . . ------+------+------ . . . |. 6 . |1 3 . . 4 5 |2 . . |. . . . . . |. . . |8 . . 3 5 4 |1 8 6 |9 2 7 2 9 8 |7 4 3 |6 1 5 1 6 7 |9 5 2 |4 8 3 ------+------+------ 4 8 1 |5 2 7 |3 6 9 9 3 2 |6 1 4 |5 7 8 5 7 6 |3 9 8 |2 4 1 ------+------+------ 7 2 9 |8 6 5 |1 3 4 8 4 5 |2 3 1 |7 9 6 6 1 3 |4 7 9 |8 5 2 (0.08 seconds) Solved 95 of 95 hard puzzles (avg 0.04 secs (27 Hz), max 0.19 secs).