✂✁☎✄✝✆✟✞✡✠☛✁✌☞✎✍✑✏✓✒✕✔✗✖✙✘✛✚✢✜✙✣
1/3
7.
1/12
6.
1.
2.
1/121/12
8.
1−4
4.
3.
5.
I. PRECREASES.
✤✎✥✦✘★✧✪✩✫✚✭✬✮✚✭✯✰✬✱✖✌✲
✳✵✴✛✶★✶
✜
✷✂✸☎✹✝✺✟✻✡✼☛✸✌✽✎✾✑✿✓❀✕❁✗❂✙❃✛❄❆❅❈❇
o
180
1/12
6. 7.
o
90
o
1.
90
o
90
o
90

180
2.
o
180
o
90
o
90
o
3,4
90
④✎⑤✦✈★⑥✪⑦✫✇✭⑧✮✇✭⑨✰⑧✱✉✌⑩
❶✵❷✛❸★❸◆❹
❺✂❻☎❼✝❽✟❾✡❿☛❻✌➀✎➁✑➂✓➃✕➄✗➅✙➆✛➇❆➈❈➉
11.
10.
9.
7.
8.
6.5.
IV. THE SPRING
1.
4.
2.
3.
X2
X2
X2
o
180