The generator matrix

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

generates a code of length 82 over Z8 who´s minimum homogenous weight is 70.

Homogenous weight enumerator: w(x)=1x^0+168x^70+584x^71+1285x^72+1800x^73+2930x^74+3672x^75+5204x^76+6052x^77+8014x^78+8720x^79+10413x^80+10576x^81+11472x^82+10884x^83+10737x^84+9300x^85+8056x^86+6356x^87+5222x^88+3428x^89+2522x^90+1444x^91+963x^92+504x^93+428x^94+148x^95+111x^96+20x^97+40x^98+16x^100+2x^102

The gray image is a code over GF(2) with n=328, k=17 and d=140.
This code was found by Heurico 1.11 in 296 seconds.