(;GM[1]FF[4]SZ[19]
GN[Black made empty triangle, but is splitting  White]
PC[http://senseis.xmp.net/?BQM277]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM277

Black made empty triangle, but is splitting  White]
PL[W]

AB[dd][fd][ce][dg][ch][dp]
AW[bf][cf][ef][di][cj]
CR[bf][cf][ef][dg]
SQ[di][cj]
LB[ge:g][he:f]

;W[df]C[W1]MN[1]
;B[eh]C[B2]MN[2]
;W[fj]C[W3]MN[3]
;B[gh]C[B4]MN[4]
;W[gf]C[W5]MN[5]
;B[dh]C[B6]MN[6]
;W[hd]C[W7]MN[7]

;CR[bf][cf][ef][dg]
SQ[di][cj]
LB[ge:g][he:f]
)
