20x15 puzzle
Time:
3
3
4
2
4
1
5 6 6 5 7 7 3
2
1
1
1
1
1
2
1
2
1
2
1
1
2
1
1
2
2
2
2
2
2
1
2
2
1
2
2
1
6
1
 
 
 
 
3  2
11
10
13  5
8  9
7  1
3  8
5
1  3  1
2  4
3  1  7
You might wish to visit the archives, if you want more.