16-(     )=5

14-(     )=7

15-(     )=12

19-(     )=4

19-(     )=12

18-(     )=2

14-(     )=10

11-(     )=2

12-(     )=1

15-(     )=9

17-(     )=1

11-(     )=10

13-(     )=4

15-(     )=0

18-(     )=0

14-(     )=0

17-(     )=11

15-(     )=15

14-(     )=9

18-(     )=16

16-(     )=11

17-(     )=7

16-(     )=2

19-(     )=10

19-(     )=15

12-(     )=1

19-(     )=7

12-(     )=1

16-(     )=13

19-(     )=14

16-(     )=1

11-(     )=10

19-(     )=6

13-(     )=13

13-(     )=2

12-(     )=12

20-(     )=2

18-(     )=2

14-(     )=1

20-(     )=17

16-(     )=4

18-(     )=1

15-(     )=1

14-(     )=4

14-(     )=2

18-(     )=1

11-(     )=8

17-(     )=0

17-(     )=9

16-(     )=0