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  2  1  1  1  1  1  1  1
 0  2  0  0  0  0  2  2  2 2a  0  2 2a+2 2a  2 2a 2a  2 2a+2  2 2a+2  2  0 2a+2 2a+2  2 2a 2a 2a+2  0  2 2a  0
 0  0  2  0  0  2 2a+2 2a 2a 2a  0  0 2a 2a  0 2a 2a+2 2a  0  2 2a 2a  2 2a+2  2 2a+2  0  2 2a 2a+2  0  2 2a+2
 0  0  0  2  0 2a+2  0  2 2a 2a+2  2  2  2  0  2 2a+2 2a+2  2  0  2 2a 2a+2 2a+2  0 2a  0 2a 2a  0  2 2a+2 2a 2a+2
 0  0  0  0  2  2  2 2a+2  2  2  2 2a  0  0  0 2a 2a+2 2a  2  0  0  2 2a 2a  0 2a 2a  2 2a+2 2a+2  2 2a+2 2a

generates a code of length 33 over GR(16,4) who´s minimum homogenous weight is 88.

Homogenous weight enumerator: w(x)=1x^0+225x^88+165x^92+921x^96+2382x^100+165x^104+78x^108+75x^112+54x^116+18x^120+9x^124+3x^128

The gray image is a code over GF(4) with n=132, k=6 and d=88.
This code was found by Heurico 1.16 in 97.1 seconds.