(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem6/Attempts]AP[GoWiki:2009]
DT[2009-08-09]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem6/Attempts

]
PL[W]

AB[cb][db][eb][bc]
AW[fb][cc][ec][fc][cd][cf]

;W[bd]C[W1]MN[1]
;B[ba]C[B2]MN[2]
;W[ac]C[W3]MN[3]
;B[ab]C[B4]MN[4]

;
)
