(;GM[1]FF[4]SZ[19]
GN[Ko?]
PC[http://senseis.xmp.net/?TsumegoFromGames163/Attempts]AP[GoWiki:2009]
DT[2011-05-15]
C[Diagram from http://senseis.xmp.net/?TsumegoFromGames163/Attempts

Ko?]
PL[B]

AB[bb][cb][dc][dd][fd][be][af][cf][cg][eg][bh][ch][dh][fh][bi]
AW[cc][ad][bd][cd][ce][de][df][dg][eh][ci][di][ei][fi][bj][cj][ej]

;B[ef]C[B1]MN[1]
;W[bf]C[W2]MN[2]
;B[ac]C[B3]MN[3]
;W[ag]C[W4]MN[4]
;B[bg]C[B5]MN[5]
;W[ae]C[W6]MN[6]
;B[ah]C[B7]MN[7]

;
)
