The generator matrix

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

generates a code of length 40 over GR(16,4) who´s minimum homogenous weight is 103.

Homogenous weight enumerator: w(x)=1x^0+192x^103+552x^104+612x^105+1164x^106+2244x^107+2820x^108+2544x^109+3960x^110+5868x^111+7080x^112+5904x^113+9672x^114+12360x^115+13212x^116+10716x^117+16668x^118+18888x^119+20451x^120+13812x^121+20316x^122+20484x^123+18312x^124+11160x^125+12912x^126+11532x^127+8199x^128+4056x^129+2832x^130+2160x^131+954x^132+348x^133+60x^134+48x^136+24x^140+12x^144+6x^148+9x^152

The gray image is a code over GF(4) with n=160, k=9 and d=103.
This code was found by Heurico 1.16 in 138 seconds.