1.3: 1 2.1: 2, 3, 4, 5
2.2: 1,2,3,4,5,6
3.1: 2, 4, 6 (extra credit), 8
3.2: 1,2,3,4,6
3.2: 7,8,9,12
3.3: 1,2,4,5,6
3.4: 1, 2, 3, 4, 6
3.4: 8, 9, 10, 11
5.1: 1,2,3,4,5
5.1: 6,7 5.2: 1,2