23x15 puzzle
Time:
9
4
6
4
3
4
5
2
5
2
5
2
2
2
2
2
2
5 3
1
3
1
3
1
4
1
3
2
2
2
3
2
3
2
2
4
3
2
1
2
2 1
2
1
1
2
2
2  4
9  4
17  1
6  8
1  11
6  1
1
3  1
3  1
7  9
7  13
You might wish to visit the archives, if you want more.