3 ms·
No, you can construct sudoku solutions where the row/column thing is satisfied but not 3x3 (the simplest one is by staggering the rows by 1. subsquares are ment
by Manishearth 10y ago
No, you can construct sudoku solutions where the row/column thing is satisfied but not 3x3 (the simplest one is by staggering the rows by 1. subsquares are mentioned in the post (and are a part of the interactive prover)