The generator matrix

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

generates a code of length 46 over GR(16,4) who´s minimum homogenous weight is 133.

Homogenous weight enumerator: w(x)=1x^0+156x^133+60x^134+120x^135+27x^136+216x^137+96x^138+27x^140+156x^141+24x^142+72x^143+6x^148+48x^149+12x^150+3x^164

The gray image is a code over GF(4) with n=184, k=5 and d=133.
This code was found by Heurico 1.16 in 0.078 seconds.