The generator matrix

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

generates a code of length 71 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+152x^66+245x^68+117x^70+150x^72+219x^74+101x^76+23x^78+12x^80+2x^84+1x^88+1x^130

The gray image is a code over GF(2) with n=284, k=10 and d=132.
This code was found by Heurico 1.16 in 1.39 seconds.