(;GM[1]FF[4]SZ[19]
GN[Volume 1, Problem 21, Page 43]
PC[http://senseis.xmp.net/?LiChanghoJingjiangWeiqiSihuo/Errata]AP[GoWiki:2009]
DT[2010-07-07]
C[Diagram from http://senseis.xmp.net/?LiChanghoJingjiangWeiqiSihuo/Errata

Volume 1, Problem 21, Page 43]
PL[B]

AB[ap][bp][cp][dp][dq][br][dr]
AW[en][ao][bo][co][do][ep][aq][eq][er][cs][ds]


;
)
