(;GM[1]FF[4]SZ[19]
GN[variation: mistake by white]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem33/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem33/Attempts

variation: mistake by white]
PL[W]

AB[ba][bb][cb][dc][fc][gc][dd][ed][ce][cg]
AW[ab][db][eb][bc][cc][ec]

;W[ac]C[W1]MN[1]
;B[bd]C[B2]MN[2]
;W[aa]C[W3]MN[3]
;B[ca]C[B4]MN[4]
;W[da]C[W5]MN[5]
;B[fb]C[B6]MN[6]

;
)
