(;GM[1]FF[4]SZ[19]
GN[Black to play.]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem20/Attempts2]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem20/Attempts2

Black to play.]
PL[W]

AB[hp][ip][fq][gq][jq][kq][er][lr][gs]
AW[ep][fp][gp][eq][hq][iq][hr][jr]

;W[gr]C[W1]MN[1]
;B[fr]C[B2]MN[2]
;W[dr]C[W3]MN[3]
;B[hs]C[B4]MN[4]
;W[ir]C[W5]MN[5]

;
)
