The generator matrix

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

generates a code of length 58 over Z16 who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+48x^58+12x^60+2x^68+1x^72

The gray image is a code over GF(2) with n=464, k=6 and d=232.
This code was found by Heurico 1.16 in 0.0928 seconds.