(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?BeginnerExercise331/Solution]AP[GoWiki:2009]
DT[2016-05-14]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise331/Solution

Solution]
PL[B]

AB[ie][je][le][kf][gg][hg][ig][lg][mg][og][fh][fi][ii][mi][fj][jj][mj][oj][ek][nk][el][il][jl][nl][fm][gm][hm][nm][in][jn][ln][mn]
AW[jf][kg][gh][hh][ih][kh][lh][gi][gj][hj][ij][lj][fk][ik][jk][kk][mk][hl][kl][ml]

;B[ki]C[B1]MN[1]
;W[li]C[W2]MN[2]
;B[ll]C[B3]MN[3]
;W[lm]C[W4]MN[4]
;B[km]C[B5]MN[5]

;
)
