The generator matrix

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

generates a code of length 84 over Z8 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+123x^80+128x^81+206x^82+112x^83+118x^84+68x^85+70x^86+32x^87+44x^88+16x^89+42x^90+16x^91+12x^92+4x^93+2x^94+16x^96+8x^97+4x^100+2x^108

The gray image is a code over GF(2) with n=336, k=10 and d=160.
This code was found by Heurico 1.11 in 0.342 seconds.