The generator matrix

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

generates a code of length 77 over Z8 who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+62x^74+56x^75+126x^76+100x^77+78x^78+24x^79+27x^80+4x^81+7x^82+8x^83+4x^84+12x^86+2x^96+1x^98

The gray image is a code over GF(2) with n=308, k=9 and d=148.
This code was found by Heurico 1.16 in 0.105 seconds.