(;GM[1]FF[4]SZ[19]
GN[A similar problem]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem130/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem130/Solution

A similar problem]
PL[W]

AB[rn][qo][qp][qq][rr][rs]
AW[ql][rm][pn][qn][oo][po][pq][or][qr][qs]
LB[pp:x][sp:a][sq:b]


;LB[pp:x][sp:a][sq:b]
)
