The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  2  1  1  1  1  4  1  4  1  2  1  2  2
 0  2  0  0  0  2  6  2  0  6  0  6  0  6  0  2  0  4  2  6  0  4  2  6  2  4  2  0  2  4  4  6  4  0  2  2  6  6  4  0  6  0  4  0  2  2  0  2  6  2  4  4  4  2  0  6  4  6  6  4  6  0  2  4  0  6  6  4  6  6  4  2  6  2  6  4  0  2  6
 0  0  2  0  2  2  2  0  0  0  0  0  6  6  6  6  0  4  2  2  2  6  4  4  2  0  2  2  4  0  6  4  6  2  6  6  0  4  4  0  2  4  2  4  4  2  6  4  4  0  2  6  4  2  2  2  0  0  6  0  0  4  2  2  0  2  6  6  6  0  6  6  6  4  2  2  4  4  6
 0  0  0  2  2  0  2  2  4  4  2  2  2  4  4  2  0  6  4  2  6  4  2  4  4  0  6  6  2  2  0  4  6  4  4  2  6  0  4  6  4  4  2  6  0  2  0  6  2  6  0  2  4  0  0  0  6  0  6  4  4  2  6  2  6  6  6  4  2  6  2  0  0  2  0  0  2  6  6
 0  0  0  0  4  0  4  0  4  4  4  4  0  4  4  0  4  0  4  0  4  0  4  0  0  0  4  0  0  4  4  4  4  0  0  4  4  0  0  0  4  4  0  4  4  0  4  0  0  4  0  0  4  4  4  0  0  0  4  0  0  4  0  4  4  4  0  4  0  0  4  0  4  4  4  0  0  4  0

generates a code of length 79 over Z8 who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+123x^74+24x^75+134x^76+48x^77+162x^78+112x^79+150x^80+48x^81+79x^82+24x^83+52x^84+43x^86+12x^88+6x^90+2x^92+3x^94+1x^144

The gray image is a code over GF(2) with n=316, k=10 and d=148.
This code was found by Heurico 1.16 in 39.5 seconds.