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

The snapback]
PL[W]

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

;B[ab]C[B4]MN[4]

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