Section 21.1 A 1
Section 21.1 B 6
Section 21.2 A 10
Section 21.2 B 15
Section 21.3 A 19
Section 21.3 B 23
Section 21.4 A 27
Section 21.4 B 31
Section 22.1 A 36
Section 22.1 B 40
Section 22.2 A 44
Section 22.2 B 48
Section 22.3 A 52
Section 22.3 B 56
Section 22.4 A 60
Section 22.4 B 64
Section 23.1 A 68
Section 23.1 B 71
Section 23.2 A 75
Section 23.2 B 79
Section 23.3 A 83
Section 23.3 B 87
Section 23.4 A 91
Section 23.4 B 95
Section 24.1 A 99
Section 24.1 B 103
Section 24.2 A 107
Section 24.2 B 111
Section 24.3 A 115
Section 24.3 B 119
Section 24.4 A 123
Section 24.4 B 127
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