The generator matrix

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

generates a code of length 77 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+57x^66+192x^67+398x^68+628x^69+1022x^70+1362x^71+1653x^72+1978x^73+2383x^74+2594x^75+2738x^76+2920x^77+2617x^78+2504x^79+2522x^80+2232x^81+1587x^82+1156x^83+903x^84+552x^85+316x^86+174x^87+104x^88+66x^89+47x^90+18x^91+33x^92+4x^93+1x^94+4x^97+2x^98

The gray image is a code over GF(2) with n=308, k=15 and d=132.
This code was found by Heurico 1.16 in 46.6 seconds.