(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem179/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem179/Solution

Solution]
PL[W]

AB[qp][rp][mq][nq][oq][pq][sq][rr]
AW[qm][rn][no][po][lp][mp][pp][lq][qq][rq][kr][mr][qr]

;W[rs]C[W1]MN[1]
;B[sr]C[B2]MN[2]
;W[ps]C[W3]MN[3]

;
)
