23x15 puzzle
Time:
4 4 4
1
3
1
3
2
3
1
2
3
2
2
3
4
3
3
8
3
8
3
7
15 15 15 15 15 15 15 15 15 15 15 15
23
23
23
3  12
12
12
12
16
1  16
17
17
15
18
19
3  3  12
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