Sudoku

Amber Prism 21

medium40 givens
Time
00:00
Blanks
41
Clash
0
5
9
3
6
2
8
9
8
1
6
9
5
9
4
7
8
7
6
4
2
3
1
4
3
9
5
9
5
2
8
7
1
4
6
8
1
9
1
3
2

Tap a cell then a digit, or type 1-9 · ←↑→↓ move · Delete erase · U/Y undo/redo · R restart