section 4.1/ 47*, 53-57 (odd)

section 4.2/1-7 (odd), 11*,13,18,21,23

section 4.3/1,5*,7,9-13(odd),18,19*,21, 27*,  35,37

section 4.4/2,3,4,7-17(odd),19*,33,35,51