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

generates a code of length 74 over Z8 who´s minimum homogenous weight is 71.

Homogenous weight enumerator: w(x)=1x^0+60x^71+98x^72+94x^73+89x^74+50x^75+34x^76+30x^77+21x^78+14x^79+8x^80+4x^81+4x^83+1x^84+1x^86+1x^88+1x^90+1x^92

The gray image is a code over GF(2) with n=296, k=9 and d=142.
This code was found by Heurico 1.11 in 0.128 seconds.