(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?RTGProblem18/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem18/Solution

]
PL[W]

AB[bb][cb][ac][dc][ad][be][ce][df][ag][bg][cg][dg]
AW[aa][ba][ca][da][ab][eb][bc][ec][dd][de][ef][eg][ah][bh][ch][dh]

;W[bf]C[W1]MN[1]
;B[bd]C[B2]MN[2]
;W[af]C[W3]MN[3]
;B[cf]C[B4]MN[4]
;W[cd]C[W5]MN[5]

;
)
