The generator matrix

 1  0  0  1  1  1  6  1  1  1  1  4  2  0  1  1  1  1  0  1  0  6  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  1  0  1  0  1  1  0  6  1  3  1  1  0  0  2  5  3  1  4  0  1  2  4  2  1  0  4  5  4  6  4  5  4  0  2  1  0  0  0  2  1  4  0  0  2  1  4  0  0  2  5  0  0  0  0  0  0  5  0  0  2  0  4  0  2  0  0  4  2  0  0  0  2  4  0  0  0  4  2  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 0  0  1  1  1  0  1  0  1  1  0  0  1  1  0  1  1  0  0  0  1  1  1  0  1  1  0  0  1  0  1  0  1  0  0  1  1  2  0  0  1  1  2  0  0  1  1  2  0  0  1  1  2  0  0  2  3  0  1  0  0  0  0  4  2  2  0  0  6  2  0  0  0  0  4  0  0  4  6  2  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 0  0  0  2  0  0  6  0  0  2  0  0  2  0  2  2  0  0  2  2  0  2  0  2  0  2  2  0  0  2  0  2  2  0  0  4  0  2  0  4  0  0  2  0  4  0  0  2  0  4  0  0  2  0  4  2  0  0  0  4  0  2  0  0  2  0  0  4  2  0  0  0  0  2  0  0  0  4  2  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 0  0  0  0  2  0  6  0  0  0  2  2  2  2  2  2  0  2  2  2  2  0  0  0  0  0  0  2  2  0  0  2  2  0  4  4  0  0  0  0  0  0  4  0  6  4  0  0  2  4  0  0  0  2  4  0  0  4  0  6  0  0  0  0  0  0  4  4  0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 0  0  0  0  0  2  6  0  2  2  2  0  0  2  0  0  2  2  0  2  2  0  0  0  0  2  2  0  0  4  2  2  2  2  4  0  0  0  0  4  0  0  6  0  2  4  0  2  2  0  0  2  0  2  0  0  0  0  2  2  0  0  4  0  0  0  4  0  0  0  0  4  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 0  0  0  0  0  0  4  4  4  0  0  0  4  4  0  4  0  4  0  4  0  4  0  0  4  4  0  4  0  4  0  0  4  4  4  4  0  0  0  0  0  4  0  0  0  0  0  4  0  0  0  0  0  4  0  0  0  4  0  0  0  0  4  0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0

generates a code of length 99 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+21x^40+2x^42+2x^43+8x^45+10x^46+2x^47+8x^48+4x^49+16x^50+4x^51+26x^52+8x^53+57x^54+16x^55+69x^56+24x^57+82x^58+44x^59+97x^60+88x^61+100x^62+142x^63+140x^64+186x^65+154x^66+270x^67+175x^68+324x^69+335x^70+280x^71+373x^72+398x^73+396x^74+400x^75+421x^76+558x^77+502x^78+368x^79+469x^80+446x^81+280x^82+274x^83+243x^84+328x^85+212x^86+294x^87+203x^88+544x^89+436x^90+776x^91+842x^92+1300x^93+1772x^94+2558x^95+3344x^96+3906x^97+5604x^98+5332x^99+5528x^100+4224x^101+3392x^102+2486x^103+1764x^104+1564x^105+898x^106+768x^107+422x^108+406x^109+210x^110+288x^111+164x^112+304x^113+285x^114+282x^115+244x^116+378x^117+449x^118+520x^119+519x^120+384x^121+482x^122+520x^123+440x^124+336x^125+326x^126+320x^127+278x^128+276x^129+182x^130+324x^131+150x^132+162x^133+117x^134+146x^135+129x^136+60x^137+94x^138+72x^139+95x^140+26x^141+76x^142+12x^143+59x^144+8x^145+25x^146+12x^147+14x^148+6x^149+12x^150+6x^152+1x^156+6x^158+5x^160+5x^164+1x^180

The gray image is a code over GF(2) with n=396, k=16 and d=80.
This code was found by Heurico 1.16 in 98.7 seconds.