(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?BeginnerExercise302/Solution]AP[GoWiki:2009]
DT[2024-09-19]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise302/Solution

Solution]
PL[B]

AB[gi][ii][gj][ij][kj][hk][ik][kk][hl][jl][hm][im][jm]
AW[gf][hf][if][jf][kg][lg][fh][gh][mh][fi][hi][ji][mi][fj][jj][mj][fk][lk][ll][gm][gn][hn][in][jn][kn]
LB[hh:a][kh:b]

;B[jh]C[B1]MN[1]

;LB[hh:a][kh:b]
)
