(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem55/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem55/Solution

Main line]
PL[W]

AB[ma][ib][lb][qb][jc][nc][kd][od][qd][qe][kf][mf][pf][ng]
AW[la][mb][ob][mc][pc][md][pd][ne][oe]
CR[pb]
LB[qc:a]

;W[oc]C[W1]MN[1]
;B[nd]C[B2]MN[2]
;W[kb]C[W3]MN[3]
;B[lc]C[B4]MN[4]
;W[pa]C[W5]MN[5]
;B[na]C[B6]MN[6]
;W[ka]C[W7]MN[7]
;B[kc]C[B8]MN[8]

;CR[pb]
LB[qc:a]
)
