(;GM[1]FF[4]SZ[19]
GN[Refutation]
PC[http://senseis.xmp.net/?WeiqiZhongjiJietiXunlian/Errata]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?WeiqiZhongjiJietiXunlian/Errata

Refutation]
PL[B]

AB[fa][cb][eb][fb][gb][cc][fc][cd][fd][ce][de]
AW[ba][bb][hb][bc][ec][gc][ic][bd][ed][gd][be][fe][ge][cf][df][ef][fg]

;B[ee]C[B1]MN[1]
;W[da]C[W2]MN[2]
;B[ca]C[B3]MN[3]
;W[db]C[W4]MN[4]

;
)
