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

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

Homogenous weight enumerator: w(x)=1x^0+149x^76+80x^78+293x^80+288x^82+126x^84+16x^86+57x^88+13x^92+1x^152

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 2.83 seconds.