23x23 puzzle
Time:
2
3
2
4
2
3
2
3
2
1
2
1
2
2
3
5
2
15 2
10
1
15 15 15 15 15 15 15 15 15 15
23
23
1  15
18
19
18
17
19
19
18
19
1  18
4  17
7  15
23
 
 
 
 
 
 
 
 
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