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

generates a code of length 47 over GR(16,4) who´s minimum homogenous weight is 120.

Homogenous weight enumerator: w(x)=1x^0+126x^120+309x^124+417x^128+447x^132+768x^135+468x^136+4608x^139+441x^140+6912x^143+417x^144+423x^148+441x^152+267x^156+189x^160+123x^164+21x^168+3x^172+3x^180

The gray image is a code over GF(4) with n=188, k=7 and d=120.
This code was found by Heurico 1.16 in 1.96 seconds.