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

generates a code of length 79 over Z8 who´s minimum homogenous weight is 73.

Homogenous weight enumerator: w(x)=1x^0+40x^73+34x^74+40x^75+61x^76+170x^77+54x^78+282x^79+40x^80+156x^81+20x^82+44x^83+19x^84+18x^85+14x^86+18x^87+6x^88+6x^90+1x^152

The gray image is a code over GF(2) with n=316, k=10 and d=146.
This code was found by Heurico 1.16 in 0.31 seconds.