(;GM[1]FF[4]SZ[19]
GN[Black first]
PC[http://senseis.xmp.net/?SnapbackProblem27/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SnapbackProblem27/Solution

Black first]
PL[B]

AB[ca][cb][gb][bc][cc][cd][dd][ed][fd][gd]
AW[da][db][fb][hb][dc][ec][hc][bd][hd][be][ce][de][ee][fe][ge][he]

;B[ea]C[B1]MN[1]
;W[fc]C[W2]MN[2]
;B[gc]C[B3]MN[3]
;W[ga]C[W4]MN[4]
;B[fa]C[B5]MN[5]

;
)
