The generator matrix

 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  2  2  2  4  2  4  0  0  0  1  1  1  1  1  0  0  2  4  1  2  4  1  2  1  1  0  1  0  1  4  1  1  1  2  2  4  2  1  1  2  4  1  0  1  2  1
 0  2  0  2  0  0  2  6  0  0  2  6  4  0  6  4  6  4  2  6  2  4  4  6  4  0  6  2  6  4  6  0  2  2  2  2  4  2  6  2  2  4  2  0  0  6  4  4  0  2  6  2  2  4  2  2  2  6  2  2  4  2  4  2  0  4  6  4  6  2  2  0  4  6  2  2  2  4  4  0
 0  0  2  2  0  6  2  0  0  6  2  0  2  4  2  4  0  6  2  0  6  2  4  2  6  0  0  4  0  6  6  0  6  6  2  6  2  2  4  2  0  2  0  0  6  4  2  0  2  4  4  6  0  2  2  2  2  6  2  4  6  2  6  4  2  0  0  6  2  2  0  0  2  6  6  6  0  0  2  0
 0  0  0  4  0  0  0  0  0  0  0  0  0  0  4  0  0  0  0  4  0  4  4  4  4  4  0  0  0  4  0  4  0  4  0  0  4  0  4  4  4  0  4  4  0  4  4  4  0  0  0  0  0  4  4  4  4  4  0  4  0  4  4  4  4  0  4  0  4  4  4  0  0  4  4  0  0  0  0  0
 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  4  4  4  4  4  4  4  4  4  0  4  0  4  4  0  4  0  4  4  4  4  0  0  0  4  0  4  4  0  4  0  4  0  0  4  0  0  4  0  4  4  0  4  4  0  0  0  4  4  0  0  0  0  0  4
 0  0  0  0  0  4  0  0  0  0  0  0  4  0  0  0  0  4  4  0  4  0  4  4  4  4  4  4  4  4  4  0  0  0  4  0  0  4  4  4  0  0  4  0  4  4  0  0  4  0  4  0  4  4  4  4  4  0  4  0  4  0  0  0  4  0  0  0  0  0  0  0  4  0  4  0  0  4  0  4
 0  0  0  0  0  0  4  0  0  0  4  0  0  0  0  0  0  0  4  4  4  4  4  0  4  4  0  0  0  4  4  4  4  0  4  4  4  0  4  4  4  0  4  0  4  0  0  0  0  4  0  0  4  0  0  4  4  0  0  0  4  4  0  0  0  4  0  4  0  4  4  4  0  4  0  0  4  0  4  0
 0  0  0  0  0  0  0  4  0  0  4  4  4  4  0  0  0  0  0  0  4  0  4  4  0  0  4  0  4  0  4  4  0  0  0  4  4  0  0  0  4  4  4  4  4  0  0  4  4  0  0  0  4  4  0  4  4  4  0  4  4  4  0  0  0  0  4  0  4  0  0  4  0  0  0  0  4  4  0  0
 0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  4  4  4  4  4  4  0  4  0  0  4  4  0  4  4  0  0  4  0  4  4  0  0  4  0  4  4  0  0  4  0  4  4  4  0  0  0  4  0  4  0  4  4  0  4  0  0  4  0  0  0  4  4  0  4  0  0  4  4  0  4  0  4  0
 0  0  0  0  0  0  0  0  0  4  0  4  0  0  4  4  4  0  0  0  4  4  4  0  4  0  4  0  0  0  0  4  4  4  4  4  0  4  4  4  0  0  0  0  4  0  4  0  4  4  4  4  4  4  4  0  4  4  4  0  4  0  0  0  0  0  4  0  4  4  4  0  0  0  0  0  0  0  0  0

generates a code of length 80 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+37x^66+36x^67+126x^68+112x^69+242x^70+274x^71+326x^72+528x^73+590x^74+742x^75+935x^76+1052x^77+1144x^78+1372x^79+1376x^80+1336x^81+1301x^82+1064x^83+878x^84+768x^85+530x^86+482x^87+313x^88+248x^89+179x^90+110x^91+99x^92+52x^93+44x^94+16x^95+29x^96+18x^98+10x^100+8x^102+3x^104+3x^106

The gray image is a code over GF(2) with n=320, k=14 and d=132.
This code was found by Heurico 1.16 in 22.8 seconds.