The generator matrix

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

generates a code of length 76 over Z8 who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+44x^62+4x^63+205x^64+28x^65+469x^66+236x^67+793x^68+612x^69+1500x^70+1080x^71+2311x^72+1812x^73+3273x^74+2348x^75+3440x^76+2312x^77+3080x^78+1908x^79+2489x^80+1188x^81+1403x^82+516x^83+766x^84+180x^85+366x^86+48x^87+185x^88+12x^89+83x^90+4x^91+40x^92+16x^94+9x^96+4x^98+1x^100+2x^102

The gray image is a code over GF(2) with n=304, k=15 and d=124.
This code was found by Heurico 1.16 in 54.5 seconds.