Ad
  • Custom User Avatar

    Your handling of columns is invalid. In following test case:

    132 579 468
498 261 375
756 384 219

643 158 792
521 793 846
987 426 531

214 935 687
365 817 924
879 642 135

    column 7 is invalid, but your solution returns True.

    Resolving as not a kata issue.

  • Custom User Avatar

    Do you know the input of failing test case? Did you try to recreate it locally?