(;GM[1]FF[4]SZ[9]
GN[Advantage of solidity]
PC[http://senseis.xmp.net/?TheArtOf9x9Go/game4]AP[GoWiki:2009]
DT[2016-09-28]
C[Diagram from http://senseis.xmp.net/?TheArtOf9x9Go/game4

Advantage of solidity]
PL[W]

AB[cb][db][ec][dd][hd][id][de][fe][ge][df][cg][eg][fg][ch][eh]
AW[cc][dc][cd][ce][he][cf][gf][if][bg][gg][dh][fh][gh][ih]

;W[bb]C[W30]MN[30]
;B[ba]C[B31]MN[31]

;
)
