(;GM[1]FF[4]SZ[19]
GN[failure]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem16/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem16/Attempts

failure]
PL[B]

AB[gc][cd][dd][gd][ge]
AW[ed][fd][cf][ef][ff]

;B[db]C[B1]MN[1]
;W[eb]C[W2]MN[2]
;B[fb]C[B3]MN[3]
;W[ea]C[W4]MN[4]

;
)
