__ + 5 = 19

13 + __ = 19

11 + __ = 19

__ + 3 = 17

__ + 15 = 16

__ + 7 = 20

__ + 17 = 19

__ + 1 = 15

2 + __ = 12

3 + __ = 9

4 + __ = 17

__ + 8 = 15

__ + 18 = 19

__ + 11 = 20

__ + 3 = 4

__ + 12 = 18

__ + 3 = 20

__ + 4 = 10

__ + 1 = 18

4 + __ = 14

3 + __ = 20

3 + __ = 10

2 + __ = 5

__ + 9 = 20

__ + 4 = 9

__ + 4 = 13

__ + 2 = 8

__ + 1 = 16

7 + __ = 19

__ + 9 = 17

14 + __ = 18

16 + __ = 18

18 + __ = 20

__ + 11 = 12

__ + 14 = 17

__ + 3 = 13

5 + __ = 16

__ + 3 = 15

6 + __ = 10

4 + __ = 5

__ + 14 = 19

__ + 3 = 12

1 + __ = 3

__ + 2 = 7

2 + __ = 6

11 + __ = 15

__ + 9 = 19

8 + __ = 12

3 + __ = 11

__ + 6 = 19

12 + __ = 15

2 + __ = 3

2 + __ = 20

__ + 4 = 20

17 + __ = 20

__ + 10 = 20