Data Set 1:
1 3
Data Set 2:
1 4
2 3
Data Set 3:
2 7
Data Set 4:
14 23
Data Set 5:
25 27
Data Set 6:
12 18
Data Set 7:
58 67
Data Set 8:
59 77
Data Set 9:
22 138
Data Set 10:
63 105
Data Set 11:
79 101
Data Set 12:
121 198