(;GM[1]FF[4]SZ[19]
GN[Black first]
PC[http://senseis.xmp.net/?SnapbackProblem37/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SnapbackProblem37/Solution

Black first]
PL[B]

AB[ea][cb][eb][dc][ec]
AW[da][bb][db][fb][hb][gc][cd][dd][ed][fd]
LB[ca:a][bd:b]

;B[bc]C[B1]MN[1]
;W[cc]C[W2]MN[2]
;B[ba]C[B3]MN[3]

;LB[ca:a][bd:b]
)
