(;GM[1]FF[4]SZ[19]
GN[The circled stone is of no concern.]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem27/Attempts]AP[GoWiki:2009]
DT[2010-02-09]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem27/Attempts

The circled stone is of no concern.]
PL[B]

AB[db][gb][fc][bd][cd][dd][ed][fd][be][cf]
AW[eb][fb][hb][ec][gc][hc][ce][ge][bf][df][ff][dg][bh]
CR[ce][cf]
LB[ac:b][af:a]

;B[cg]C[B1]MN[1]
;W[ch]C[W2]MN[2]
;B[de]C[B3]MN[3]
;W[bg]C[W4]MN[4]

;CR[ce][cf]
LB[ac:b][af:a]
)
