The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  2  2  2  2  1  2  2  2  2  2  2  1  1  1  2  2  2  1  1  1  1  1  1  1  1
 0 12  0  4  0  0  4 12  8  8 12  4  8  8 12  4  8  4 12  0  4  4  0 12  8 12  0 12  4  0  8  8  0  0  8 12  8  0 12  4  4  4  8
 0  0 12  4  8  4 12  8  8  4 12  8  0 12  4  0  4  4  0 12  8 12  0 12 12  8  4  4  0  8  8  0  0  8  8  0  4 12  8  4 12  8 12

generates a code of length 43 over Z16 who´s minimum homogenous weight is 41.

Homogenous weight enumerator: w(x)=1x^0+10x^41+18x^42+206x^43+6x^44+6x^45+4x^46+2x^47+1x^56+2x^58

The gray image is a code over GF(2) with n=344, k=8 and d=164.
This code was found by Heurico 1.16 in 0.032 seconds.