(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem129/Solution]AP[GoWiki:2009]
DT[2009-04-23]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem129/Solution

Solution]
PL[W]

AB[kb][qb][jc][lc][nc][oc][qc][ke][oe][pe][kf][lf][nf][og]
AW[ib][mb][nb][rb][ic][mc][rc][id][md][qd][le][qe][qf][pg]

;W[kd]C[W1]MN[1]
;B[ld]C[B2]MN[2]
;W[me]C[W3]MN[3]
;B[jd]C[B4]MN[4]

;
)
