1a ,2a, 3f, 4f, 5a, 6f, 7a, 8a, 9a, 10a ,11f, 12a, 13f, 14f, 15a, 16f, 17a, 18a, 19f, 20a ,21a, 22a, 23a, 24a, 25a, 26a, 27f, 28a, 29f, 30a,
31a, 32f, 33f, 34a, 35a ,36f ,37a, 38a ,39a, 40f, 41f ,42a ,43a, 44f ,45a, 46f ,47a, 48a, 49f, 50a ,51f, 52a, 53f, 54a, 55a ,56a, 57f, 58a,
59a, 60f, 61a, 62f, 63f, 64f, 65a ,67a, 68a, 69f, 70a, 71a, 72f, 73a,
multiple choice
1c, 2c, 3a ,4a ,5b ,6c, 7b, 8c, 9b, 10a, 11a, 12a, 13a, 14a ,15b ,16a, 17b, 18b, 19a, 20b, 21b, 22b, 23a, 24c, 25b, 26c, 27a,
28b, 29c, 30a, 31b, 32a ,33b, 34c, 35a, 36b ,37b, 38a ,39c ,40b ,41a ,42b ,43c ,44b ,45a, 46a, 47a, 48c ,49a ,50a, 51b, 52a, 53b,
54a, 55b, 56b ,57c ,58a ,59c, 60c ,61a, 62b, 63b ,64d ,65d, 66d, 67a, 68b, 69a, 70a, 71b ,72a, 73b, 74a, 75a, 76a, 77b, 78b, 79c,
80b, 81c, 82a, 83c, 84a ,85b, 86c ,87b, 88b, 89b, 90a, 91c ,92a 93a ,94b, 95b, 96a, 97b ,98c, 99b, 100a, 101b, 102c, 103a, 104b,
105c, 106a ,107b, 108c ,109a, 110a, 111a, 112b, 113a, 114b, 115b, 116d, 117b, 118d, 119a, 120b, 121a, 122a, 123c, 124c,
125b ,126a, 127a, 128b, 129a, 130a, 131b, 132a, 133b, 134a, 135a, 136b, 137a, 138a, 139b, 140a ,141b ,142b, 143a, 144a,
145b, 146a ,147b ,148a, 149c, 150a, 151b, 152a, 153c, 154c, 155a ,156a, 157b ,158c, 159a, 160b, 161b, 162a, 163a ,164c,
165a, 166a, 167a, 168a, 169c ,170a.