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

]
PL[W]

AB[hi][ii][hj][hk][il][jl]
AW[ik]

;W[jj]C[W1]MN[1]
;B[ji]C[B2]MN[2]
;W[ij]C[W3]MN[3]

;
)
