(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem161/Attempts]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem161/Attempts

Black to play]
PL[B]

AB[qb][nc][qc][nd][qd][ne][qe][nf][qf][og][pg]
AW[rb][oc][pc][rc][rd][oe][pe][re][pf][rf][qg][rg]
LB[pb:a]

;B[pa]C[B1]MN[1]
;W[ob]C[W2]MN[2]
;B[nb]C[B3]MN[3]
;W[oa]C[W4]MN[4]
;B[od]C[B5]MN[5]
;W[pd]C[W6]MN[6]
;B[na]C[B7]MN[7]

;LB[pb:a]
)
