d f b result
1 1 2 1
1 1 3 1
1 1 4 1
1 2 2 2
1 2 3 2
1 2 4 2
1 3 3 3
1 3 4 3
1 4 4 4
2 1 2 1
2 1 3 1
2 1 4 1
2 2 2 4
2 2 3 4
2 2 4 3
2 3 3 9
2 3 4 10
2 4 4 16
3 1 1 1
3 1 2 1
3 1 3 1
3 1 4 1
3 2 2 8
3 2 3 8
3 2 4 5
3 3 3 27
3 3 4 21
3 4 4 64
4 1 2 1
4 1 3 1
4 1 4 1
4 2 2 16
4 2 3 13
4 2 4 10
4 3 3 81
4 3 4 63
4 4 4 256
2 6 10 22
2 6 6 36
2 8 10 66
3 6 10 77
Became Hot Network Question