Hashi-o-kakero (17x17 hard)
3
2
2
4
3
1
3
4
2
1
2
5
3
5
4
3
2
3
3
2
4
1
6
4
3
4
5
3
1
2
2
3
2
2
3
2
4
3
1
4
6
7
6
4
3
3
1
3
2
2
4
6
2
1
1
2
3
3
3
Select board size and difficulty:
9 x 9 easy | 9 x 9 medium | 9 x 9 hard
11 x 11 easy | 11 x 11 medium | 11 x 11 hard
13 x 13 easy | 13 x 13 medium | 13 x 13 hard
17 x 17 easy | 17 x 17 medium | 17 x 17 hard
21 x 21 easy | 21 x 21 medium | 21 x 21 hard
9 x 9 easy | 9 x 9 medium | 9 x 9 hard
11 x 11 easy | 11 x 11 medium | 11 x 11 hard
13 x 13 easy | 13 x 13 medium | 13 x 13 hard
17 x 17 easy | 17 x 17 medium | 17 x 17 hard
21 x 21 easy | 21 x 21 medium | 21 x 21 hard