(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?BeginnerExercise51/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise51/Solution

Solution]
PL[B]

AB[eq][fq][cr][dr][gr][hr]
AW[dp][ep][fp][bq][cq][gq][hq][jq][br][ir]
LB[cs:a][hs:b]

;B[fs]C[B1]MN[1]
;W[er]C[W2]MN[2]
;B[es]C[B3]MN[3]

;LB[cs:a][hs:b]
)
