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

Good Diagram]
PL[W]

AB[hh][ih][hi][hj][ik][jk][kk]
AW[ii][ij][hk][hl]

;W[ji]C[W1]MN[1]
;B[jh]C[B2]MN[2]
;W[ki]C[W3]MN[3]

;
)
