楚汉争霸 改成大智慧指标

编写要求：

解答：

?网友求助：

称帝:(COST(99)+COST(93)+COST(85))/3,COLORYELLOW,DOTLINE,LINETHICK1;
汉界:(COST(84)+COST(67)+COST(50))/3,COLORGREEN,DOTLINE,LINETHICK1;
楚河:(COST(16)+COST(34)+COST(49))/3,COLORRED,DOTLINE,LINETHICK1;
自刎:(COST(1)+COST(7)+COST(15))/3,COLORMAGENTA,DOTLINE,LINETHICK1;
汉界飘移:(汉界-REF(汉界,3))/REF(汉界,3)*100,COLORGREEN,NODRAW;
楚河飘移:(楚河-REF(楚河,3))/REF(楚河,3)*100,COLORRED,NODRAW;
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