(;GM[1]FF[4]SZ[19]
GN[Probably the basic idea]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem58/Attempts]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem58/Attempts

Probably the basic idea]
PL[B]

AB[pb][gc][mc][nc][oc][pc][fd][ge][ie][ke][oe][kf][lf][mf]
AW[mb][nb][ob][ic][lc][kd][md][le]

;B[kb]C[B1]MN[1]
;W[jb]C[W2]MN[2]
;B[ib]C[B3]MN[3]
;W[hb]C[W4]MN[4]
;B[jc]C[B5]MN[5]
;W[ia]C[W6]MN[6]
;B[jd]C[B7]MN[7]
;W[kc]C[W8]MN[8]
;B[lb]C[B9]MN[9]

;
)
