The generator matrix

 1  0  1  1  1  2  1  1  0  1  1  2  1  1  1  1  0  2  1  1  1  1  0  2  1  1  1  1  0  2  2  2  0  1  1  1  1  0  2  2  2  0  1  2  0  2  1
 0  1  3  2  1  1  0  3  1  2  1  1  0  3  2  1  1  1  0  2  3  1  1  1  0  2  3  1  1  1  0  2  2  0  2  3  1  1  1  0  2  2  0  2  2  0  3

generates a code of length 47 over Z4 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+4x^49+6x^50+4x^51+1x^52

The gray image is a code over GF(2) with n=94, k=4 and d=49.
This code was found by Heurico 1.16 in 0.0112 seconds.