The generator matrix

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

generates a code of length 51 over Z4 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+16x^49+28x^50+32x^51+28x^52+16x^53+2x^54+2x^56+2x^62+1x^64

The gray image is a code over GF(2) with n=102, k=7 and d=49.
This code was found by Heurico 1.16 in 0.126 seconds.