(;GM[1]FF[4]SZ[19]
GN[B4 is not good]
PC[http://senseis.xmp.net/?WuRenGo2/White]AP[GoWiki:2009]
DT[2010-04-09]
C[Diagram from http://senseis.xmp.net/?WuRenGo2/White

B4 is not good]
PL[W]

AB[cd][ce][cg][bi][ci]
AW[eb][bc][cc][dc][dd][de][ef][eh][ei]
SQ[ac]

;W[bd]C[W1]MN[1]
;B[be]C[B2]MN[2]
;W[ae]C[W3]MN[3]
;B[af]C[B4]MN[4]
;W[bf]C[W5]MN[5]
;B[cf]C[B6]MN[6]
;W[ag]C[W7]MN[7]

;SQ[ac]
)
