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

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

Homogenous weight enumerator: w(x)=1x^0+122x^66+169x^68+126x^70+46x^72+22x^74+17x^76+2x^78+5x^80+1x^84+1x^92

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 0.168 seconds.