The generator matrix

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

generates a code of length 77 over Z8 who´s minimum homogenous weight is 73.

Homogenous weight enumerator: w(x)=1x^0+158x^73+74x^74+232x^75+62x^76+160x^77+61x^78+80x^79+24x^80+42x^81+23x^82+32x^83+6x^84+36x^85+24x^87+1x^88+4x^89+1x^90+2x^92+1x^94

The gray image is a code over GF(2) with n=308, k=10 and d=146.
This code was found by Heurico 1.16 in 0.204 seconds.