(;GM[1]FF[4]SZ[19]
GN[6 at ''a'' is no good; the WC stones are trapped due to [damezumari\]]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem10/Attempts]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem10/Attempts

6 at ''a'' is no good; the WC stones are trapped due to [damezumari\]]
PL[B]

AB[la][lb][qb][lc][mc][rc][sc][ld][pd][qd][rd][le][pe][lf][of][pf][mg][ng]
AW[ma][mb][ob][rb][sb][nc][pc][qc][md][od][me][oe][nf]
CR[rb][sb]
LB[nb:a]

;B[pb]C[B1]MN[1]
;W[oc]C[W2]MN[2]
;B[qa]C[B3]MN[3]
;W[mf]C[W4]MN[4]
;B[oa]C[B5]MN[5]

;CR[rb][sb]
LB[nb:a]
)
