(;GM[1]FF[4]SZ[19]
GN[White to move]
PC[http://senseis.xmp.net/?KyuExercise63]AP[GoWiki:2009]
DT[2012-12-06]
C[Diagram from http://senseis.xmp.net/?KyuExercise63

White to move]
PL[W]

AB[cf][gf][hf][cg][fg][ig][ch][eh][fh][ih][jh][ci][di][hi][ji][bj][cj][dj][hj][ij][jj][ek][gk][kk][fl][gl][ll][cm][hm][im][km][kn]
AW[bf][bg][bh][gh][hh][bi][ei][fi][gi][aj][ej][gj][bk][ck][fk][hk][hl][il][jl][kl][gm][jm][gn]


;
)
