(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?BeginnerExercise80/Solution]AP[GoWiki:2009]
DT[2024-09-05]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise80/Solution

Solution]
PL[B]

AB[bh][ch][kh][lh][ci][li][cj][dj][ej][lj][mj][nj][ak][bk][ck][ek][jk][kk][lk][nk][cl][dl][ll][ml]
AW[bg][cg][dg][kg][lg][mg][ah][dh][fh][jh][mh][oh][bi][di][fi][ki][mi][oi][fj][jj][oj][fk][ok][bl][fl][kl][ol][bm][cm][dm][em][km][lm][mm][nm]
LB[ag:a]

;B[ai]C[B1]MN[1]
;W[aj]C[W2]MN[2]
;B[kj]C[B3]MN[3]

;LB[ag:a]
)
