(;GM[1]FF[4]SZ[19]
GN[Solution.]
PC[http://senseis.xmp.net/?BeginnerExercise275/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise275/Solution

Solution.]
PL[B]

AB[bp][dp][ip][cq][dq][eq][hq][jq][br][cr][ir][jr][kr]
AW[cn][bo][co][eo][go][ho][io][jo][cp][fp][kp][fq][kq][mq][dr][er][lr][ks]

;B[gr]C[B1]MN[1]
;W[fr]C[W2]MN[2]
;B[ap]C[B3]MN[3]

;
)
