The generator matrix

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

generates a code of length 75 over Z8 who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+3x^34+14x^35+17x^36+56x^37+68x^38+56x^39+91x^40+138x^41+180x^42+276x^43+277x^44+426x^45+369x^46+602x^47+535x^48+648x^49+595x^50+598x^51+617x^52+514x^53+534x^54+390x^55+371x^56+230x^57+236x^58+88x^59+117x^60+30x^61+81x^62+42x^63+96x^64+88x^65+230x^66+314x^67+656x^68+1148x^69+1716x^70+2768x^71+3758x^72+4924x^73+5792x^74+6056x^75+5818x^76+4956x^77+3842x^78+2772x^79+1762x^80+1100x^81+620x^82+338x^83+206x^84+86x^85+76x^86+54x^87+72x^88+86x^89+152x^90+126x^91+250x^92+204x^93+353x^94+322x^95+478x^96+428x^97+573x^98+566x^99+632x^100+598x^101+605x^102+648x^103+418x^104+554x^105+257x^106+306x^107+158x^108+156x^109+77x^110+42x^111+48x^112+12x^113+17x^114+6x^115+4x^116+2x^117+7x^118+2x^120+1x^122

The gray image is a code over GF(2) with n=300, k=16 and d=68.
This code was found by Heurico 1.16 in 99.5 seconds.