The generator matrix

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

generates a code of length 75 over GR(16,4) who´s minimum homogenous weight is 208.

Homogenous weight enumerator: w(x)=1x^0+54x^208+84x^209+192x^211+294x^212+480x^213+696x^215+582x^216+624x^217+984x^219+663x^220+1116x^221+1128x^223+732x^224+1248x^225+1248x^227+660x^228+1416x^229+1080x^231+594x^232+816x^233+648x^235+324x^236+348x^237+168x^239+69x^240+12x^241+36x^244+21x^248+15x^252+12x^256+12x^260+15x^264+6x^268+6x^276

The gray image is a code over GF(4) with n=300, k=7 and d=208.
This code was found by Heurico 1.16 in 1.72 seconds.