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

generates a code of length 66 over GR(16,4) who´s minimum homogenous weight is 184.

Homogenous weight enumerator: w(x)=1x^0+123x^184+186x^188+48x^189+216x^192+432x^193+75x^196+1296x^197+132x^200+1296x^201+42x^204+78x^208+39x^212+42x^216+21x^220+30x^224+15x^228+15x^232+3x^240+3x^244+3x^252

The gray image is a code over GF(4) with n=264, k=6 and d=184.
This code was found by Heurico 1.16 in 0.225 seconds.