40-(     )=39

34-(     )=29

22-(     )=10

27-(     )=14

29-(     )=17

42-(     )=5

30-(     )=12

32-(     )=0

21-(     )=0

28-(     )=24

41-(     )=32

33-(     )=5

47-(     )=43

27-(     )=27

50-(     )=50

37-(     )=33

22-(     )=22

41-(     )=31

48-(     )=34

31-(     )=6

46-(     )=42

27-(     )=20

38-(     )=2

28-(     )=1

49-(     )=9

42-(     )=12

27-(     )=1

41-(     )=31

46-(     )=33

33-(     )=13

33-(     )=18

38-(     )=15

40-(     )=25

36-(     )=16

35-(     )=2

28-(     )=15

45-(     )=37

34-(     )=6

37-(     )=17

44-(     )=36

25-(     )=2

37-(     )=13

47-(     )=6

29-(     )=21

33-(     )=28

47-(     )=37

48-(     )=30

24-(     )=21

30-(     )=19

44-(     )=28