(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?SpotTheEmptyTriangle]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SpotTheEmptyTriangle

Failure]
PL[B]

AB[cb][eb][fb][bc][gc][bd][hd][be][de][bf][df][hf][bg][cg][hg][eh][fh][gh]
AW[ec][fc][cd][dd][ed][ce][cf][dg][dh][di][ei][fi]

;B[ff]C[B1]MN[1]
;W[ef]C[W2]MN[2]

;
)
