1
Ĭ
4

2

12	2	1	12	2	1	20
12	2	1	14	2	1	20

3

14	2	1	14	2	1	20
16	2	1	16	2	1	20
12	2	1	12	2	1	20

2

12	2	1	12	2	1	20
12	2	1	12	2	1	20

2

12	2	1	12	2	1	20
12	2	1	12	2	1	20
