The generator matrix

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

generates a code of length 74 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+12x^42+14x^43+71x^44+38x^45+119x^46+128x^47+331x^48+252x^49+655x^50+456x^51+873x^52+616x^53+1010x^54+652x^55+935x^56+500x^57+594x^58+266x^59+293x^60+118x^61+167x^62+62x^63+172x^64+160x^65+563x^66+636x^67+1555x^68+1722x^69+3102x^70+3672x^71+4973x^72+5056x^73+5926x^74+5064x^75+5056x^76+3624x^77+3188x^78+1708x^79+1457x^80+674x^81+553x^82+156x^83+194x^84+82x^85+164x^86+126x^87+332x^88+230x^89+628x^90+468x^91+861x^92+628x^93+994x^94+634x^95+980x^96+514x^97+590x^98+268x^99+269x^100+116x^101+134x^102+26x^103+64x^104+6x^105+30x^106+11x^108+2x^110+3x^112+1x^114+1x^116

The gray image is a code over GF(2) with n=296, k=16 and d=84.
This code was found by Heurico 1.16 in 99.9 seconds.