(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem36]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem36

Black to play]
PL[B]

AB[an][bn][ao][aq][bq][cq][dq][eq]
AW[am][bm][cm][cn][co][eo][go][gq][hq][dr][er][bs]


;
)
