After insertion the 1st set has 87 elements :
  0  1  2  3  4  5  6  7  8  9 10 11 13 14 16 17 18 19 20 21 22 23 24 25 27
 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 49 50 51 52 53 54
 55 56 57 58 59 60 61 62 65 66 67 68 69 70 72 73 74 75 76 77 79 80 81 82 83
 84 85 86 87 90 91 92 93 94 95 97 98
After insertion the 2nd set has 89 elements :
  0  1  2  4  5  6  7  8  9 10 12 13 14 15 16 17 18 19 20 21 23 24 25 26 27
 28 29 31 33 34 35 36 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
 57 58 60 61 62 63 64 65 66 67 68 69 70 71 73 74 75 76 78 79 80 81 82 83 84
 85 86 88 89 90 91 92 93 94 95 96 97 98 99
After deletion the 1st set has 31 elements :
  3  6  7 10 16 17 18 19 20 23 24 28 29 32 33 40 43 49 53 58 65 66 67 70 80
 81 82 86 91 94 95
After deletion the 2nd set has 37 elements :
  0  2  5  7 13 14 15 17 20 21 25 28 34 41 43 46 47 49 52 55 58 61 63 66 67
 69 73 79 81 83 85 88 90 91 95 96 97
The union has 56 elements :
  0  2  3  5  6  7 10 13 14 15 16 17 18 19 20 21 23 24 25 28 29 32 33 34 40
 41 43 46 47 49 52 53 55 58 61 63 65 66 67 69 70 73 79 80 81 82 83 85 86 88
 90 91 94 95 96 97
The intersection has 12 elements :
  7 17 20 28 43 49 58 66 67 81 91 95