The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+78x^74+84x^75+64x^76+108x^77+44x^78+52x^79+50x^80+4x^81+10x^82+8x^83+2x^84+3x^88+2x^94+2x^102

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 0.226 seconds.