23x15 puzzle
Time:
2
2
6 1
2
3
9 1
8
1
2
7
1
8
2
1
7
1
3
1
13
1
11
1
10
1
9
1
9
2
2
6  1
11
1  7
5  7
13
1  10
6  5
13
6  5
9
6
2
1
9
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