(;GM[1]FF[4]SZ[19]
GN[Direct ko]
PC[http://senseis.xmp.net/?Cornershapes/Discussion]AP[GoWiki:2009]
DT[2011-07-11]
C[Diagram from http://senseis.xmp.net/?Cornershapes/Discussion

Direct ko]
PL[B]

AB[gb][ec][fc][gc][dd][ce][de][bf][cg]
AW[db][dc][bd][cd][be]

;B[bb]C[B1]MN[1]
;W[ba]C[W2]MN[2]
;B[ca]C[B3]MN[3]
;W[cb]C[W4]MN[4]
;B[aa]C[B5]MN[5]
;W[bc]C[W6]MN[6]
;B[ae]C[B7]MN[7]
;W[ad]C[W8]MN[8]
;B[eb]C[B9]MN[9]
;W[da]C[W10]MN[10]

;
)
