(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem63/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem63/Solution

Solution]
PL[W]

AB[qa][qb][oc][pc][qc][nd][od][pd][qd][rd][sd][oe][pe][qe]
AW[pa][nb][rb][lc][nc][rc][sc][me][re][se][nf][rf][og][qg]

;W[sb]C[W11]MN[11]

;
)
