Problem set 10:
[1]
[2ab-]
[2-bc]
[3]
[4]
[5]
[6,7a]
[7b]
[7c]
[7de]
[7f]
[8]
[9]
Problem set 10:
[1]
[2ab-]
[2-bc]
[3]
[4]
[5]
[6,7a]
[7b]
[7c]
[7de]
[7f]
[8]
[9]