(;GM[1]FF[4]SZ[19]
GN[The problem.]
PC[http://senseis.xmp.net/?BQM88]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM88

The problem.]
PL[B]

AB[ob][qb][jc][kc][lc][mc][oc][qc][nd][ne][mf][of]
AW[kb][lb][mb][nb][rb][nc][ld][od][qd][rd][oe][nf][ng]

;B[rc]C[B1]MN[1]
;W[sc]C[W2]MN[2]
;B[ra]C[B3]MN[3]
;W[sb]C[W4]MN[4]
;B[jb]C[B5]MN[5]
;W[pc]C[W6]MN[6]
;B[pb]C[B7]MN[7]
;W[pd]C[W8]MN[8]

;
)
