(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem281/Attempts]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem281/Attempts

Black to play]
PL[B]

AB[jk][jl][jm][jn][fo][go][jo][hp][ip][iq][fr][ir]
AW[em][im][dn][in][ho][io][cp][gp][jp][kp][gq][kr]

;B[gl]C[B1]MN[1]
;W[gm]C[W2]MN[2]
;B[hm]C[B3]MN[3]
;W[hl]C[W4]MN[4]

;
)
