(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[http://senseis.xmp.net/?RTGProblem14/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem14/Solution

Main line]
PL[W]

AB[fa][bb][eb][dc][ec][fc]
AW[fb][gb][gc][ad][cd][ed][fd][gd][ce][bf]
CR[bf]
LB[bd:a][ae:b]

;B[ac]C[B2]MN[2]
;W[bc]C[W3]MN[3]
;B[ab]C[B4]MN[4]
;W[da]C[W5]MN[5]
;B[cc]C[B6]MN[6]
;W[ba]C[W7]MN[7]
;B[cb]C[B8]MN[8]
;W[ea]C[W9]MN[9]

;CR[bf]
LB[bd:a][ae:b]
)
