Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
More appropriate for 8 kyu
well,try to ctrl+f and insert each number from 1 to 9
you will see that none of them are in the same row/column
One more issue:
Incorrect answer for board:
157|964|283
579|426|318
815|749|632
---+---+---
623|851|749
381|597|426
238|175|964
---+---+---
794|632|851
946|283|175
462|318|597
Expected: false
Actual: true
123|456|789
234|567|891
345|678|912
---+---+---
456|789|123
567|891|234
678|912|345
---+---+---
789|123|456
891|234|567
912|345|678
Expected: false
Actual: true
Isn`t it true?...
This comment is hidden because it contains spoiler information about the solution