4 ms·

Can someone (less lazy than me) try running it against this puzzle? http://www.telegraph.co.uk/news/science/science-news/9359579/Worlds-hardest-sudoku-can-you-

• pegler 11y ago
  https://gist.github.com/pegler/752ae571c5d6028ebe72 https://gist.github.com/pegler/752ae571c5d6028ebe72 Row[1] : 800000000 Row[2] : 003600000 Row[3] : 070090200 Row[4] : 050007000 Row[5] : 000045700 Row[6] : 000100030 Row[7] : 001000068 Row[8] : 008500010 Row[9] : 090000400 8-- --- --- --3 6-- --- -7- -9- 2-- -5- --7 --- --- -45 7-- --- 1-- -3- --1 --- -68 --8 5-- -1- -9- --- 4-- 812 753 649 943 682 175 675 491 283 154 237 896 369 845 721 287 169 534 521 974 368 438 526 917 796 318 452 Level Counts: (8, 7): 1 (7, 7): 2 (7, 2): 3 (7, 5): 5 (2, 2): 7 (6, 2): 11 (1, 2): 20 (1, 7): 33 (6, 7): 51 (4, 7): 62 (2, 7): 86 (5, 2): 114 (8, 2): 160 (5, 3): 195 (5, 8): 217 (5, 9): 260 (5, 1): 317 (5, 4): 371 (4, 8): 398 (4, 9): 456 (6, 9): 473 (6, 1): 440 (6, 3): 429 (6, 5): 407 (6, 6): 392 (4, 3): 364 (4, 1): 360 (7, 6): 330 (7, 1): 302 (2, 1): 264 (7, 4): 229 (8, 5): 200 (4, 5): 164 (1, 5): 134 (2, 5): 115 (2, 6): 92 (1, 6): 71 (3, 6): 63 (4, 4): 47 (1, 3): 41 (8, 6): 37 (3, 4): 28 (3, 1): 20 (8, 9): 15 (2, 9): 12 (2, 8): 7 (1, 8): 4 (3, 9): 4 (3, 8): 1 (8, 1): 1 (1, 9): 1 (9, 1): 1 (1, 4): 1 (9, 3): 1 (9, 4): 1 (9, 5): 1 (9, 6): 1 (3, 3): 1 (9, 8): 1 (9, 9): 1 Count = 7826 Total Count = 13080
• taeric 11y ago
  Decided to try this puzzle against an implementation of the DLX algorithm I put up a while back.[1] Looks at 2,825 board states, in total. If I stop it at the solution, only looks at 1,489 states. [1] http://taeric.github.io/Sudoku.html http://taeric.github.io/Sudoku.html