The generator matrix

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

generates a code of length 49 over GR(16,4) who´s minimum homogenous weight is 132.

Homogenous weight enumerator: w(x)=1x^0+81x^132+72x^133+24x^134+396x^135+135x^136+168x^137+252x^138+1200x^139+207x^140+444x^141+432x^142+1560x^143+159x^144+768x^145+984x^146+2448x^147+99x^148+912x^149+984x^150+2220x^151+90x^152+504x^153+396x^154+1248x^155+60x^156+204x^157+144x^159+36x^160+66x^164+63x^168+15x^172+6x^176+6x^184

The gray image is a code over GF(4) with n=196, k=7 and d=132.
This code was found by Heurico 1.16 in 1.08 seconds.