18b

20po vs 200po
0:10            让先
1:9             2子倒贴
2.5:7.5         2子
5:5             3子倒贴

50po vs 200po
1:9             让先

100 vs 200
4:6             让先

200 vs 400
5:5             让先

400 vs 800      
4:6             让先

800 vs 1600
5:5             让先
                
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修改:computec FROM 222.129.7.*
FROM 222.129.4.*