The generator matrix

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

generates a code of length 59 over Z4 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+126x^48+430x^50+649x^52+893x^54+1009x^56+1009x^58+1075x^60+999x^62+838x^64+562x^66+347x^68+176x^70+46x^72+26x^74+4x^76+1x^82+1x^84

The gray image is a code over GF(2) with n=118, k=13 and d=48.
This code was found by Heurico 1.16 in 8.5 seconds.