The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+279x^64+192x^65+232x^66+80x^68+32x^70+72x^72+64x^73+56x^74+16x^80

The gray image is a code over GF(2) with n=268, k=10 and d=128.
This code was found by Heurico 1.16 in 19.5 seconds.