The generator matrix

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

generates a code of length 58 over Z4 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+47x^48+34x^49+69x^50+74x^51+134x^52+114x^53+104x^54+148x^55+115x^56+136x^57+135x^58+152x^59+115x^60+152x^61+111x^62+108x^63+60x^64+70x^65+43x^66+30x^67+28x^68+6x^69+30x^70+9x^72+17x^74+3x^76+3x^78

The gray image is a code over GF(2) with n=116, k=11 and d=48.
This code was found by Heurico 1.16 in 0.626 seconds.