(;GM[1]FF[4]SZ[19]
GN[Outside attack]
PC[https://senseis.xmp.net/?BeginnerExercise235/Solution]AP[GoWiki:2009]
DT[2024-09-20]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise235/Solution

Outside attack]
PL[W]

AB[hh][ih][gi][ji][ki][li][gj][hk][ik][jk][kk]
AW[gg][hg][ig][jg][gh][kh][lh][mh][fi][mi][fj][nj][fk][lk][mk][gl][hl][il][jl][kl]
LB[jh:b][mj:a]

;W[lj]C[W1]MN[1]
;B[ij]C[B2]MN[2]
;W[kj]C[W3]MN[3]
;B[hi]C[B4]MN[4]

;LB[jh:b][mj:a]
)
