12.1	2 5 7 11 15 20 31
12.2	2 3 5 7 11 19 23 24 27
12.3	1 2 5 6 14 18 23 25 38
12.4	2 4 7 11 13 18 19 30 34 39
12.1-12.4	due Thurs Sept 6
12.5	2 4 7 12 16 19 23 33 46 51
12.6	2 4 6 10 11 14 20 35
13.1	2 4 8 11 16 22 28 42
12.5-13.1	due Tues Sept 18
13.2	2 8 9 13 19 23 34
13.3	3 4 11 13 16 18 23
13.2-13.3	due Thurs Sept 20
13.4	1 7 9 16 20 37 41
14.1	1 3 6 14 24 31 49
14.2	1 2 7 13 14 29 34
14.3	1 3 6 15 18 19 20 24 28 37 43 46
13.4-14.3	due Tues Oct 9
14.4	2 4 5 12 15 19 24 25 31
14.5	1 3 6 8 11 16 17 21 27 30
14.6	3 4 7 12 17 32 34 39 48
14.7	1 4 5 14
14.4-14.7	due Thurs Oct 18
14.8	(no hw)
15.1	1 4 7 11 14
15.2	1 4 5 8 13 24 25 27
15.3	1 4 7 10 13 18 23 27 41
15.4	1 2 7 8 9 10 17 18 21 22 29
15.1-15.4	due Thurs Oct 25
15.5	1 4 7 11 12 18
15.6	1 2 4 5 9 10
15.7	1 2 13 17 20
15.8	1 2 9 10 17
15.5-15.8	due Tues Nov 13
16.1	1 4 6 11 14 18 21 23
16.2	1 4 7 11 14 19
16.3	1 4 7 11 14 21
16.4	1 4 7 11 14 17
16.1-16.4	if handed Tues Nov 20 will be returned Tues Nov 27; otherwise due Thurs Nov 29.
16.5	1 4 7 11 12 18 19
16.6	19 20 25 37 39 42
16.7	1 4 7 8 15 19
16.8	1 2 7 9 11 17
16.5-16.8	due Thurs Nov 29