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  2  2  1  2  2  2  1  2  2  0  2  2  0  2  0  0  0  2  2  2  0  2  0
 0  2  0  0  0  0  0  0  0  2  2  2  2  2  2  2  0  0  0  0  0  0  0  0  2  2  2  2  0  0  2  0  0  2  2  2  2  2  2  0  0  2  2  0  0  2  0  2  2  2  2
 0  0  2  0  0  0  2  2  2  2  2  0  2  2  0  0  0  0  0  0  2  2  2  2  2  2  2  2  2  2  0  2  2  2  0  2  2  2  2  0  2  0  2  2  0  0  0  0  0  0  0
 0  0  0  2  0  2  2  2  0  0  0  0  2  2  2  2  0  0  2  2  2  2  0  0  0  0  2  2  2  2  2  0  0  0  2  0  2  2  2  2  0  2  0  2  2  0  2  2  2  0  0
 0  0  0  0  2  2  0  2  2  0  2  2  2  0  0  2  0  2  2  0  0  2  2  0  0  2  2  0  0  2  0  2  0  0  2  2  2  0  0  2  0  2  2  2  0  0  0  0  2  2  0

generates a code of length 51 over Z4 who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+42x^50+7x^52+7x^56+6x^58+1x^60

The gray image is a code over GF(2) with n=102, k=6 and d=50.
This code was found by Heurico 1.16 in 4.34 seconds.