(;GM[1]FF[4]SZ[19]
GN[Main line (W4 at W2)]
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem65/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem65/Solution

Main line (W4 at W2)]
PL[B]

AB[pa][qa][mb][ob][rb][sb][lc][oc][sc][pd][pf][rf]
AW[na][oa][pb][qb][rc][rd][sd]

;W[sa]C[W2]MN[2]
;B[ra]C[B3]MN[3]
;W[sa]C[W4]MN[4]

;
)
