(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?RTGProblem3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem3/Solution

Solution]
PL[W]

AB[bb][jb][cc][dc][ec][fc][hc][ic][jc][kc][mc][fe][he]
AW[ga][ia][eb][fb][hb][ib]
LB[aa:a][fa:b]

;B[ea]C[B4]MN[4]
;W[db]C[W5]MN[5]
;B[da]C[B6]MN[6]
;W[cb]C[W7]MN[7]
;B[ca]C[B8]MN[8]
;W[ba]C[W9]MN[9]

;LB[aa:a][fa:b]
)
