①
②-1
②-2 / ③-2
②-3
②-4 / ③-4 / ④-4
②-5 / ③-5
③-1
③-3
④-1
④-2
④-3
④-5
④-6
⑤-1
⑤-2
⑤-3
⑤-4
⑥-1
⑥-2
⑥-3
⑥-4
⑥-5
⑥-6
⑥-8
⑥-7
⑥-11
⑥-9
⑥-10
⑥-12
⑦-1
⑦-2
19
