48-(     )=44

24-(     )=20

31-(     )=16

25-(     )=11

41-(     )=26

42-(     )=35

36-(     )=17

23-(     )=2

27-(     )=23

24-(     )=13

26-(     )=5

47-(     )=18

36-(     )=14

50-(     )=27

26-(     )=25

29-(     )=1

22-(     )=20

45-(     )=28

32-(     )=18

37-(     )=23

50-(     )=43

32-(     )=1

43-(     )=26

21-(     )=3

38-(     )=7

23-(     )=17

38-(     )=9

21-(     )=17

46-(     )=31

33-(     )=9

40-(     )=19

23-(     )=9

24-(     )=19

23-(     )=5

30-(     )=3

44-(     )=18

30-(     )=10

26-(     )=3

47-(     )=5

36-(     )=20

31-(     )=12

48-(     )=3

31-(     )=1

29-(     )=10

31-(     )=1

26-(     )=24

28-(     )=24

45-(     )=39

44-(     )=27

25-(     )=21