(;GM[1]FF[4]SZ[19]
GN[White knows about oiotoshi]
PC[http://senseis.xmp.net/?BeginnerExercise78/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise78/Solution

White knows about oiotoshi]
PL[B]

AB[bh][ch][ci][cj][dj][ej][ak][bk][ck][ek][cl][dl]
AW[bg][cg][dg][ah][dh][fh][bi][di][fi][fj][fk][bl][fl][bm][cm][dm][em]
LB[aj:a][bj:a]

;B[ai]C[B1]MN[1]
;W[ag]C[W2]MN[2]

;LB[aj:a][bj:a]
)
