(;GM[1]FF[4]SZ[19]
GN[Illustration]
PC[http://senseis.xmp.net/?SnapbackProblem15/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SnapbackProblem15/Solution

Illustration]
PL[W]

AB[aa][ca][fa][ab][db][eb][fb][bc][cc]
AW[ga][gb][ac][dc][ec][fc][hc][ad][bd][cd][dd][gd][ce][bf]
CR[ga][ec][cd]

;W[bb]C[W1]MN[1]
;B[cb]C[B2]MN[2]
;W[ba]C[W3]MN[3]

;CR[ga][ec][cd]
)
