The generator matrix

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

generates a code of length 54 over Z4 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+161x^48+188x^50+155x^52+136x^54+114x^56+86x^58+74x^60+46x^62+36x^64+22x^66+3x^68+2x^70

The gray image is a code over GF(2) with n=108, k=10 and d=48.
This code was found by Heurico 1.16 in 0.502 seconds.