(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?BeginnerExercise11/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise11/Solution

Solution]
PL[B]

AB[fq][gq][hq][iq][jq][kq][lq][mq][nq][fr][nr]
AW[gr][hr][ir][jr][kr][lr][mr]
LB[er:a][or:b]

;B[gs]C[B1]MN[1]
;W[hs]C[W2]MN[2]
;B[ms]C[B3]MN[3]
;W[ls]C[W4]MN[4]
;B[js]C[B5]MN[5]
;W[fs]C[W6]MN[6]
;B[dr]C[B7]MN[7]
;W[ns]C[W8]MN[8]
;B[pr]C[B9]MN[9]

;LB[er:a][or:b]
)
