(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem87/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem87/Solution

Main line]
PL[B]

AB[lb][nb][ob][nc][pc][nd][ne][oe][pf][og][ph][qh]
AW[kb][pb][oc][kd][ld][od][pd][qd][re][mf][nf][pg][qg][nh][oh]
LB[pe:a]

;B[qc]C[B1]MN[1]
;W[qb]C[W2]MN[2]
;B[rc]C[B3]MN[3]
;W[rb]C[W4]MN[4]
;B[rd]C[B5]MN[5]
;W[sd]C[W6]MN[6]
;B[rg]C[B7]MN[7]
;W[qf]C[W8]MN[8]
;B[qe]C[B9]MN[9]
;W[sc]C[W10]MN[10]

;LB[pe:a]
)
