The generator matrix

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

generates a code of length 73 over Z8 who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+198x^72+36x^76+17x^80+4x^84

The gray image is a code over GF(2) with n=292, k=8 and d=144.
This code was found by Heurico 1.16 in 1.24 seconds.