PlaySudoku.us
Easy · Puzzle #203
2
6
7
3
4
3
7
5
2
4
8
1
9
5
3
1
8
4
6
5
9
3
7
7
3
6
5
8
6
8
1
4
2
2
8
6
1
5
3
6
9
1
9
7
8
2
6
"In order to improve your game, you must study the endgame before everything else." — José Raúl Capablanca
"In order to improve your game, you must study the endgame before everything else." — José Raúl Capablanca
A Sudoku grid can be solved using only row and column logic, never needing box constraints — but it becomes exponentially harder.
A Sudoku grid can be solved using only row and column logic, never needing box constraints — but it becomes exponentially harder.