Mon, 27 Jul 2020 12:51:20 +0200
adds numpad test
7 | 1 | 3 _ _ 2 4 _ _ 6 _ |
2 | _ 4 _ _ _ _ _ 5 3 | |
3 | 1 8 9 6 3 5 4 _ _ | |
4 | _ _ _ _ 8 _ 2 _ _ | |
5 | _ _ 7 4 9 6 8 _ 1 | |
6 | 8 9 3 1 5 _ 6 _ 4 | |
7 | _ _ 1 9 2 _ 5 _ _ | |
8 | 2 _ _ 3 _ _ 7 4 _ | |
9 | 9 6 _ 5 _ _ 3 _ 2 |