(;GM[1]FF[4]SZ[19]
GN[Mistake]
PC[http://senseis.xmp.net/?EmptyTriangleAgainstFirstLineHane]AP[GoWiki:2009]
DT[2014-04-29]
C[Diagram from http://senseis.xmp.net/?EmptyTriangleAgainstFirstLineHane

Mistake]
PL[B]

AB[jb][jc][id][jd][ie]
AW[ib][ic][hd][he][hf]

;B[ia]C[B1]MN[1]
;W[gb]C[W2]MN[2]
;B[ga]C[B3]MN[3]
;W[fa]C[W4]MN[4]
;B[ha]C[B5]MN[5]
;W[hb]C[W6]MN[6]
;B[ja]C[B7]MN[7]
;W[fb]C[W8]MN[8]

;
)
