The generator matrix

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

generates a code of length 54 over Z16 who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+28x^53+82x^54+6x^56+4x^58+4x^61+2x^62+1x^64

The gray image is a code over GF(2) with n=432, k=7 and d=212.
This code was found by Heurico 1.16 in 0.0602 seconds.