(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem161/Solution]AP[GoWiki:2009]
DT[2014-05-31]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem161/Solution

Solution]
PL[B]

AB[qb][nc][qc][nd][qd][ne][qe][nf][qf][og][pg]
AW[rb][oc][pc][rc][rd][oe][pe][re][pf][rf][qg][rg]

;B[pa]C[B1]MN[1]
;W[pb]C[W2]MN[2]
;B[na]C[B3]MN[3]

;
)
