Here is a challenging one. 5, 3, 10, 7, 1, 4, 6, 2, 9, 11, 8 (I had to pick the four cuties I know first)

20 42

36 11

38 46

10 12

47 45

43 42

49 44

38 21

26 12

31 43

29 12

30 12

50 2

64 45

63 44

44 46