The generator matrix

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

generates a code of length 81 over Z8 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+225x^76+584x^78+425x^80+310x^82+184x^84+102x^86+71x^88+74x^90+50x^92+18x^94+3x^96+1x^100

The gray image is a code over GF(2) with n=324, k=11 and d=152.
This code was found by Heurico 1.11 in 0.729 seconds.