(;GM[1]FF[4]SZ[19]
GN[Solution 2]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem16/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem16/Solution

Solution 2]
PL[B]

AB[lb][mb][rb][sb][lc][qc][md][qd][rd][me][ne][re][of][pf][qf]
AW[ra][nb][qb][mc][nc][oc][pc][rc][nd][pd][oe][pe][qe]

;B[oa]C[B1]MN[1]
;W[qa]C[W2]MN[2]
;B[pb]C[B3]MN[3]
;W[ob]C[W4]MN[4]
;B[na]C[B5]MN[5]
;W[pa]C[W6]MN[6]
;B[ma]C[B7]MN[7]

;
)
