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

generates a code of length 74 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+184x^60+246x^62+12x^63+898x^64+68x^65+1034x^66+244x^67+1892x^68+668x^69+2584x^70+1304x^71+3635x^72+1800x^73+3554x^74+1800x^75+3801x^76+1304x^77+2592x^78+668x^79+1941x^80+244x^81+990x^82+68x^83+693x^84+12x^85+240x^86+201x^88+22x^90+51x^92+2x^94+12x^96+3x^100

The gray image is a code over GF(2) with n=296, k=15 and d=120.
This code was found by Heurico 1.16 in 76 seconds.