The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+326x^84+520x^86+682x^88+624x^90+580x^92+596x^94+426x^96+200x^98+47x^100+36x^102+24x^104+8x^106+19x^108+4x^112+3x^120

The gray image is a code over GF(2) with n=364, k=12 and d=168.
This code was found by Heurico 1.16 in 6.29 seconds.