(;GM[1]FF[4]SZ[9]
GN[Sente defend]
PC[http://senseis.xmp.net/?TheArtOf9x9Go/game1]AP[GoWiki:2009]
DT[2016-09-29]
C[Diagram from http://senseis.xmp.net/?TheArtOf9x9Go/game1

Sente defend]
PL[B]

AB[dc][cd][gd][ce][cf][hf][fg][gg][hg][hh]
AW[dd][de][ge][he][df][ff][gf][if][cg][eg]

;B[eh]C[B21]MN[21]
;W[dh]C[W22]MN[22]

;
)
