The generator matrix

 1  0  0  1  1  1  2  0  1  1  0  1  1  2  4  1  0  1  4  1  6  0  1  2  1  2  0  1  0  6  1  1  1  1  1  1  6  1  1  0  1  1  1  0  1  0  1  0  4  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  2  3  1  0  0  5  1  2  7  1  2  6  1  2  0  5  1  2  3  1  1  1  1  5  0  1  1  5  3  2  0  1  1  4  1  0  5  5  4  2  6  1  4  1  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  0  1  1  1  0  1  1  2  3  2  3  2  3  1  0  2  3  1  0  3  1  1  1  0  0  1  2  1  5  0  7  2  1  1  3  0  0  0  1  2  0  1  1  3  0  0  0  1  2  0  0  4  0  0  0  4  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 0  0  0  2  0  6  0  6  2  0  2  2  0  2  0  4  2  6  2  4  4  2  6  0  6  6  6  6  0  6  2  6  6  4  6  2  4  2  6  4  2  4  4  6  0  4  2  0  6  6  0  0  4  0  0  0  4  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0
 0  0  0  0  4  0  0  0  0  4  0  0  4  4  4  4  0  4  0  4  0  4  4  4  0  0  0  0  0  0  4  0  4  0  0  4  4  4  0  0  4  0  0  0  4  4  4  4  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  0  4  0  0  0  4  0  4  4  0  4  0  4  0  4  4  4  0  4  4  0  0  4  0  4  0  0  0  0  4  4  4  0  0  4  4  4  4  4  0  4  4  4  0  4  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  0  0  0  4  0  0  4  4  4  4  4  0  4  4  4  0  0  0  0  4  0  0  0  4  0  4  4  0  4  0  0  0  0  4  0  0  4  4  0  4  4  4  0  4  0  0  4  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  0  0  0  4  0  4  4  4  0  4  4  0  4  0  0  0  4  0  0  4  4  0  4  4  0  4  0  4  4  4  4  4  4  4  4  4  4  0  4  0  0  0  0  0  0  0  4  4  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  0  0  4  4  4  0  4  0  0  4  0  4  4  4  4  0  4  4  4  4  4  0  0  4  0  0  4  0  0  0  0  0  4  4  4  0  0  0  4  0  0  0  4  4  0  4  4  0  0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0

generates a code of length 75 over Z8 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+4x^40+22x^41+12x^42+34x^43+43x^44+88x^45+101x^46+226x^47+133x^48+350x^49+309x^50+506x^51+392x^52+758x^53+502x^54+952x^55+555x^56+882x^57+388x^58+642x^59+331x^60+396x^61+201x^62+210x^63+118x^64+168x^65+283x^66+316x^67+736x^68+1078x^69+1988x^70+2670x^71+4355x^72+4324x^73+5888x^74+5318x^75+6036x^76+4698x^77+4332x^78+2576x^79+1922x^80+976x^81+778x^82+362x^83+245x^84+140x^85+160x^86+200x^87+152x^88+442x^89+304x^90+670x^91+502x^92+806x^93+551x^94+900x^95+444x^96+776x^97+403x^98+584x^99+296x^100+376x^101+147x^102+182x^103+94x^104+90x^105+24x^106+32x^107+18x^108+12x^109+9x^110+4x^111+6x^112+2x^113+3x^114+1x^116+1x^118

The gray image is a code over GF(2) with n=300, k=16 and d=80.
This code was found by Heurico 1.16 in 99 seconds.