The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+136x^76+222x^78+178x^80+198x^82+157x^84+78x^86+27x^88+10x^90+8x^92+4x^94+1x^96+2x^100+1x^104+1x^132

The gray image is a code over GF(2) with n=324, k=10 and d=152.
This code was found by Heurico 1.16 in 0.266 seconds.