(;GM[1]FF[4]SZ[19]
GN[W1 or at 'a']
PC[http://senseis.xmp.net/?XuanxuanQijingProblem51/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem51/Solution

W1 or at 'a']
PL[W]

AB[qb][pc][pd][qd][rd][re]
AW[ob][pb][oc][od][pe][qe][rf][qg]
LB[rc:a]

;W[sb]C[W1]MN[1]
;B[rb]C[B2]MN[2]

;LB[rc:a]
)
