(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[http://senseis.xmp.net/?posting=291]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?posting=291

Main line]
PL[B]

AB[ca][ab][cb][cc][ad][bd][cd]
AW[ba][da][bb][db][dc][dd][ae][be][ce][de]
LB[bc:a]

;B[aa]C[B1]MN[1]
;W[ac]C[W2]MN[2]

;LB[bc:a]
)
