The generator matrix

 1  0  0  1  1  1  1  1  1  1  1  1 2a+2  1  1  1  1  2  2  1  1  1  1  0  1  1 2a 2a+2  1  1  1  1  1  1  1  1
 0  1  0  0  2 2a+2  1 3a+2 a+1 2a+3  a a+3  1 2a+3  3 3a+3  2  1  1  0 a+1  1 a+3  1 a+1  3  2  1 2a+2 a+3 3a+3 3a  1 a+2  3 2a
 0  0  1  1 3a+2 3a+3 3a+1  3 2a  0 2a 3a 3a+3  a 2a+3 3a+3 3a  0  1  2 2a+3 2a+2  3 a+3 3a+1 a+3  1 a+3 3a a+2 3a+3 3a+1 2a+3 2a  0 a+3
 0  0  0 2a+2  0 2a 2a 2a+2  0 2a 2a+2  0  0  0 2a 2a+2 2a  2 2a  2 2a+2 2a+2 2a 2a+2  0 2a+2  2 2a 2a+2 2a 2a  2  2  0  2  0

generates a code of length 36 over GR(16,4) who´s minimum homogenous weight is 98.

Homogenous weight enumerator: w(x)=1x^0+684x^98+702x^100+2004x^102+1353x^104+2652x^106+1473x^108+2556x^110+1482x^112+2376x^114+588x^116+480x^118+9x^120+21x^124+3x^128

The gray image is a code over GF(4) with n=144, k=7 and d=98.
This code was found by Heurico 1.16 in 208 seconds.