The generator matrix

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

generates a code of length 87 over Z16 who´s minimum homogenous weight is 88.

Homogenous weight enumerator: w(x)=1x^0+57x^88+6x^92

The gray image is a code over GF(2) with n=696, k=6 and d=352.
This code was found by Heurico 1.16 in 0.479 seconds.