The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+173x^48+392x^50+737x^52+760x^54+1017x^56+962x^58+1132x^60+992x^62+880x^64+572x^66+327x^68+152x^70+71x^72+10x^74+11x^76+2x^80+1x^92

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 8.71 seconds.