(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem71/Attempts]AP[GoWiki:2009]
DT[2015-08-13]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem71/Attempts

Black to play]
PL[B]

AB[cf][bg][ch][ci][dj][dk][el][em][an][en][bo][co][do][eo][dq][dr]
AW[bh][bi][cj][ck][dl][bm][dm][cn][dn][cr]

;B[bl]C[B1]MN[1]
;W[cl]C[W2]MN[2]
;B[al]C[B3]MN[3]
;W[bn]C[W4]MN[4]
;B[bk]C[B5]MN[5]
;W[am]C[W6]MN[6]
;B[bj]C[B7]MN[7]
;W[ao]C[W8]MN[8]
;B[ah]C[B9]MN[9]
;W[bq]C[W10]MN[10]

;
)
