The generator matrix

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

generates a code of length 73 over Z8 who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+7x^34+4x^35+22x^36+16x^37+44x^38+52x^39+70x^40+132x^41+150x^42+260x^43+284x^44+480x^45+423x^46+570x^47+575x^48+668x^49+662x^50+710x^51+593x^52+560x^53+487x^54+360x^55+333x^56+156x^57+201x^58+80x^59+151x^60+48x^61+122x^62+90x^63+175x^64+268x^65+634x^66+926x^67+1596x^68+2570x^69+3888x^70+5120x^71+5954x^72+6592x^73+5978x^74+5166x^75+3902x^76+2570x^77+1580x^78+934x^79+652x^80+262x^81+168x^82+72x^83+112x^84+42x^85+100x^86+72x^87+242x^88+212x^89+346x^90+332x^91+517x^92+512x^93+572x^94+738x^95+615x^96+708x^97+666x^98+566x^99+389x^100+446x^101+272x^102+270x^103+141x^104+130x^105+54x^106+52x^107+40x^108+12x^109+23x^110+10x^111+18x^112+5x^114+2x^116+1x^118+1x^122

The gray image is a code over GF(2) with n=292, k=16 and d=68.
This code was found by Heurico 1.16 in 99.8 seconds.