(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem209/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem209/Solution

Solution]
PL[B]

AB[cp][dp][cq][dq]
AW[ar][br][bs]

;B[eo]C[B1]MN[1]

;
)
