(;GM[1]FF[4]SZ[19]
GN[Main line (1)]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem53/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem53/Solution

Main line (1)]
PL[B]

AB[bj][bl][cl][dl][em][en][fo][fp][dq][fq][er]
AW[bm][cm][dm][cp][dp][ep][eq]

;B[cq]C[B1]MN[1]
;W[bq]C[W2]MN[2]
;B[br]C[B3]MN[3]
;W[cr]C[W4]MN[4]
;B[dr]C[B5]MN[5]
;W[ar]C[W6]MN[6]
;B[cs]C[B7]MN[7]
;W[bo]C[W8]MN[8]

;
)
