911
--------------------------------------
4ooo
--------------------------------------
&62;1
--------------------------------------
&62;1
&62;&62;1
198oo
1ooo
193oo
193oo&62;&62;1
--------------------------------------
12
4ooo12
186ooo
6ooo
--------------------------------------
a??
=1
--------------------------------------
6ooo12
6ooo
193oo-6ooo=133oo
--------------------------------------
273o
1
1
3o3
133oo
--------------------------------------
a??
（）
--------------------------------------
16ooo8oo
3oo
16ooo16ooo16ooo
3ooo
6ooo
--------------------------------------