The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+238x^48+64x^52+192x^56+15x^64+2x^80

The gray image is a code over GF(2) with n=104, k=9 and d=48.
This code was found by Heurico 1.16 in 8.32 seconds.