The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  1  1  1  0  1  1  2  1  0  1  1  1  1  1  1  0  2  1  1  1  4  1  0  0  1  1  1  0  2  1  1  1  1  2  0  2  2
 0  2  0  0  0  4  0  4  0  6  6  2  6  2  2  6  6  2  4  4  2  0  2  0  0  2  4  6  4  2  6  0  2  4  0  4  2  2  0  6  6  0  6  6  4  4  4  2  0  4  2  2  6  0  4  2  2  0  6  6  0  6  4  4  4  4  2  0  4  2  0  2  2  0  2  2  2  2  6  4  0  2  0  4  6  6  0  4  2  6  0
 0  0  2  0  0  4  2  2  2  2  6  2  0  6  4  0  6  0  6  6  6  4  0  4  2  6  4  0  6  2  4  0  2  2  0  0  4  6  6  6  4  0  4  4  6  6  0  2  6  0  4  6  4  2  2  4  2  2  0  6  2  6  2  4  0  6  2  4  2  0  4  4  0  2  0  4  0  6  4  4  4  2  6  2  4  4  6  4  0  6  4
 0  0  0  2  0  2  2  6  4  0  2  0  6  2  2  4  0  4  2  0  2  2  6  0  2  6  6  6  4  4  4  0  6  4  4  6  0  4  2  6  2  0  2  0  4  2  6  0  0  0  6  4  0  4  2  6  6  6  0  4  2  4  0  4  4  6  2  6  2  2  2  4  4  0  6  2  0  2  4  6  4  2  4  4  4  4  4  0  0  6  4
 0  0  0  0  2  2  4  2  6  2  2  4  6  4  4  2  0  6  4  6  2  0  2  0  6  0  2  0  0  2  4  6  4  2  2  6  2  6  4  6  0  4  2  4  4  6  4  0  6  2  2  0  2  4  2  0  0  2  6  4  0  2  0  0  2  4  6  6  4  2  6  4  0  6  4  6  0  0  2  4  6  4  2  6  0  6  4  6  6  0  0

generates a code of length 91 over Z8 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+197x^84+24x^85+80x^86+112x^87+213x^88+220x^89+62x^90+308x^91+144x^92+240x^93+56x^94+88x^95+105x^96+28x^97+34x^98+4x^99+71x^100+14x^102+32x^104+8x^106+4x^108+2x^110+1x^152

The gray image is a code over GF(2) with n=364, k=11 and d=168.
This code was found by Heurico 1.16 in 51.2 seconds.