The generator matrix

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

generates a code of length 82 over Z8 who´s minimum homogenous weight is 71.

Homogenous weight enumerator: w(x)=1x^0+66x^71+272x^72+376x^73+825x^74+912x^75+1534x^76+1404x^77+2255x^78+2078x^79+2805x^80+2392x^81+3032x^82+2386x^83+3006x^84+2092x^85+2212x^86+1372x^87+1412x^88+692x^89+659x^90+360x^91+268x^92+120x^93+93x^94+50x^95+46x^96+28x^97+12x^98+6x^99+2x^103

The gray image is a code over GF(2) with n=328, k=15 and d=142.
This code was found by Heurico 1.16 in 50.5 seconds.