The generator matrix

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

generates a code of length 89 over Z8 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+301x^84+68x^85+378x^86+44x^87+384x^88+68x^89+226x^90+32x^91+218x^92+16x^93+106x^94+12x^95+71x^96+4x^97+46x^98+8x^99+28x^100+4x^101+12x^102+19x^104+1x^108+1x^112

The gray image is a code over GF(2) with n=356, k=11 and d=168.
This code was found by Heurico 1.16 in 1.91 seconds.