The generator matrix

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

generates a code of length 73 over Z8 who´s minimum homogenous weight is 68.

Homogenous weight enumerator: w(x)=1x^0+114x^68+72x^69+120x^70+165x^72+128x^73+148x^74+133x^76+48x^77+48x^78+25x^80+4x^82+7x^84+8x^85+1x^88+1x^92+1x^132

The gray image is a code over GF(2) with n=292, k=10 and d=136.
This code was found by Heurico 1.16 in 0.174 seconds.