(;GM[1]FF[4]SZ[19]
GN[Failure I]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem10/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem10/Attempts

Failure I]
PL[B]

AB[gb][cc][ec][fc][gc][hc][cd][dd]
AW[db][eb][fb][dc][bd][ed][fd][ce][de][cg]

;B[cb]C[B1]MN[1]
;W[bb]C[W2]MN[2]
;B[bc]C[B3]MN[3]
;W[ac]C[W4]MN[4]

;
)
