The generator matrix

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

generates a code of length 75 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+174x^66+176x^67+747x^68+564x^69+1169x^70+776x^71+1444x^72+1060x^73+1716x^74+1068x^75+1686x^76+956x^77+1357x^78+880x^79+1007x^80+448x^81+543x^82+156x^83+240x^84+40x^85+68x^86+16x^87+47x^88+4x^89+27x^90+11x^92+2x^94+1x^96

The gray image is a code over GF(2) with n=300, k=14 and d=132.
This code was found by Heurico 1.16 in 12.1 seconds.