(;GM[1]FF[4]SZ[19]
GN[variation]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem6/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem6/Attempts

variation]
PL[B]

AB[fb][dc][ec][fc][gc][bd][cd][ce]
AW[db][eb][bc][cc][dd][ed][bf][df][cg]
LB[ad:a]

;B[bb]C[B1]MN[1]
;W[ab]C[W2]MN[2]
;B[cb]C[B3]MN[3]

;LB[ad:a]
)
