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