The generator matrix

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

generates a code of length 43 over Z8 who´s minimum homogenous weight is 41.

Homogenous weight enumerator: w(x)=1x^0+12x^41+11x^42+80x^43+12x^44+4x^46+3x^48+4x^49+1x^58

The gray image is a code over GF(2) with n=172, k=7 and d=82.
This code was found by Heurico 1.16 in 0.0228 seconds.