The generator matrix

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

generates a code of length 43 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+8x^45+5x^46+1x^48+1x^50

The gray image is a code over GF(2) with n=172, k=4 and d=90.
This code was found by Heurico 1.16 in 0.0219 seconds.