The generator matrix

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

generates a code of length 76 over Z8 who´s minimum homogenous weight is 73.

Homogenous weight enumerator: w(x)=1x^0+48x^73+114x^74+72x^75+112x^76+32x^77+71x^78+20x^79+5x^80+12x^81+13x^82+4x^83+4x^85+1x^86+1x^90+1x^92+1x^100

The gray image is a code over GF(2) with n=304, k=9 and d=146.
This code was found by Heurico 1.11 in 0.142 seconds.