3.1 --- #1, #2, #3(b), (d), #4(b), (d), (e), #5,
 #6(a)
3.2 --- #1, #2, #4(b), (c), (e), #7, #8(a), (b),
 (c), #9(b), (c), #10, #11
3.3 --- #1, #2(b), (d), (f), (g), #3(e), (h), (i), 
(l), (m), (o), #4, #7, #8, #10, #14
3.4 --- #1(c), (d), #2(b), (c), (f), #3(c), (f), 
(h), (i), #5, #6, #7, #9, #11
3.5 --- #3, #5, #6(d), (f), (g), (h), (j), #9(a), 
(c), #11, #12(d), (g)
3.6 --- #2, #4, #5, #8, #9, #10, #13, #17
3.7 --- #1(b), #2, #3(a), (d), #4, #6