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

generates a code of length 69 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+134x^66+141x^68+108x^70+112x^72+7x^74+1x^76+6x^78+1x^80+1x^130

The gray image is a code over GF(2) with n=276, k=9 and d=132.
This code was found by Heurico 1.16 in 0.145 seconds.