__ + 6 = 14
6 + __ = 10
8 + __ = 11
__ + 8 = 16
9 + __ = 10
1 + __ = 20
4 + __ = 11
5 + __ = 14
__ + 3 = 20
13 + __ = 20
__ + 7 = 15
__ + 9 = 18
__ + 8 = 14
__ + 15 = 20
__ + 1 = 20
__ + 4 = 20
7 + __ = 10
__ + 8 = 10
__ + 9 = 14
19 + __ = 20
6 + __ = 20
__ + 2 = 11
7 + __ = 13
7 + __ = 15
__ + 8 = 20
9 + __ = 13
5 + __ = 11
__ + 7 = 12
__ + 3 = 12
__ + 9 = 20
9 + __ = 12
__ + 12 = 20
6 + __ = 15
__ + 16 = 20
9 + __ = 20
__ + 6 = 15
__ + 6 = 10
4 + __ = 20
__ + 4 = 10
__ + 4 = 13
6 + __ = 13
__ + 2 = 20
9 + __ = 14
4 + __ = 10
__ + 11 = 20
__ + 6 = 13
7 + __ = 16
2 + __ = 11
__ + 5 = 13
__ + 3 = 11
6 + __ = 14
6 + __ = 12
__ + 8 = 11
5 + __ = 20
8 + __ = 10
4 + __ = 12