The generator matrix

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

generates a code of length 38 over GR(16,4) who´s minimum homogenous weight is 100.

Homogenous weight enumerator: w(x)=1x^0+366x^100+636x^101+252x^102+396x^103+1500x^104+2424x^105+960x^106+1116x^107+3006x^108+4344x^109+1704x^110+1944x^111+4125x^112+7488x^113+2736x^114+3096x^115+5508x^116+8124x^117+2748x^118+2268x^119+3798x^120+4008x^121+816x^122+396x^123+996x^124+624x^125+72x^128+45x^132+24x^136+12x^140+3x^148

The gray image is a code over GF(4) with n=152, k=8 and d=100.
This code was found by Heurico 1.16 in 10.1 seconds.