The generator matrix

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

generates a code of length 50 over GR(16,4) who´s minimum homogenous weight is 132.

Homogenous weight enumerator: w(x)=1x^0+492x^132+552x^133+588x^134+1116x^135+3057x^136+2292x^137+1992x^138+3348x^139+7224x^140+5808x^141+4488x^142+7572x^143+13197x^144+10152x^145+7812x^146+13080x^147+21378x^148+14244x^149+10956x^150+16356x^151+24528x^152+14676x^153+10464x^154+13380x^155+18036x^156+9960x^157+5568x^158+5772x^159+7218x^160+3408x^161+1044x^162+816x^163+1029x^164+348x^165+96x^166+48x^168+21x^172+12x^176+9x^180+3x^184+3x^188

The gray image is a code over GF(4) with n=200, k=9 and d=132.
This code was found by Heurico 1.16 in 184 seconds.