20x15 puzzle
Time:
2
5
2
4
2
5
1
5
1
5
1
6
1
6
1
6
1
6
1
6
1
6
1
4
2
5
3
5
11 10 11 9 10 11
 
 
 
 
1  1  1
4  2
3  8
20
6
6  6
1  18
20
20
20
11  8
You might wish to visit the archives, if you want more.