15x23 puzzle
Time:
1
3
13
5
6
5
6
6
2
1
6
12
6
4
2
6
4
2
2
6
4
7
5
2
1
5
 
 
 
1
9
8
7
7
4
4  1
1  1  3
2  1  2
4  1
4  1
2  4
7
 
5  1
8
9
9
9
7
You might wish to visit the archives, if you want more.