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

generates a code of length 52 over Z4 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+53x^48+32x^50+89x^52+32x^54+42x^56+6x^60+1x^100

The gray image is a code over GF(2) with n=104, k=8 and d=48.
This code was found by Heurico 1.16 in 0.031 seconds.