(;GM[1]FF[4]SZ[19]
GN[White play after forcing moves.]
PC[http://senseis.xmp.net/?SomeEndgameProblem12/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SomeEndgameProblem12/Attempts

White play after forcing moves.]
PL[W]

AB[ba][cb][bc][dc][kc][dd][ce][de][fe][ge][he][ie][je][ef][eg]
AW[ab][bb][cc][bd][cd][be][cf][df][gf][hf][if][bg]

;W[db]C[W1]MN[1]
;B[eb]C[B2]MN[2]
;W[ca]C[W3]MN[3]
;W[ea]C[W5]MN[5]
;B[fb]C[B6]MN[6]
;W[fa]C[W7]MN[7]
;B[ga]C[B8]MN[8]

;
)
