23-20=

21-9=

26-20=

23-7=

39-7=

37-1=

47-33=

46-10=

25-4=

25-17=

33-4=

21-18=

36-30=

25-21=

21-1=

21-2=

37-16=

40-17=

46-35=

35-8=

21-16=

26-20=

37-31=

50-47=

26-14=

36-2=

43-6=

36-17=

23-18=

46-7=

25-7=

41-5=

32-9=

49-25=

47-37=

25-10=

25-22=

26-20=

38-14=

42-24=

46-6=

46-6=

37-6=

39-11=

39-19=

34-32=

40-34=

48-0=

31-4=

36-25=