23x15 puzzle
Time:
4 2 3
2
1
3
4
3
4
3
4
4
4
4
4
4
4
4
1
4
4
6
4
4
1
4
3
1
4
3
4
2
4 4 4
2
3
1
4
1
1
2
1
1
3
20
20
18  1
12  2
 
 
 
6  3
5  1
2  12  2
2  10
1  8
1  11
 
 
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