(;GM[1]FF[4]SZ[19]
GN[Solution 1]
PC[http://senseis.xmp.net/?GokyoShumyoSection3Problem57/Solution]AP[GoWiki:2009]
DT[2014-06-06]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection3Problem57/Solution

Solution 1]
PL[B]

AB[mb][nb][oc][pc][pd][qd][rd][pe][qf][rf]
AW[lb][ob][pb][lc][mc][qc][rc][nd][of][pg][qg][rg]

;B[oa]C[B1]MN[1]
;W[qa]C[W2]MN[2]
;B[sb]C[B3]MN[3]
;W[rb]C[W4]MN[4]
;B[sc]C[B5]MN[5]
;W[nc]C[W6]MN[6]
;B[ra]C[B7]MN[7]

;
)
