The generator matrix

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

generates a code of length 67 over Z8 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+131x^64+146x^66+134x^68+56x^70+34x^72+6x^74+2x^88+2x^92

The gray image is a code over GF(2) with n=268, k=9 and d=128.
This code was found by Heurico 1.16 in 0.143 seconds.