The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  1  1  1  1  2  1  2  2  1  1  1  1  1  1  2  1  1  1  1  1  1  2  2  1  1  1  2  2  1  2  1  1
 0  2  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  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  2  2  0  2  2  2  2  0  2  0  2  0  0  2  2
 0  0  2  0  0  0  0  0  0  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  0  2  2  0  2  0  0  2  0  2  0  0  2  0  2  2  2  2  0  2  0  0  2  2  2  2  2
 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  0  2  2  2  0  0  2  2  2  2  0  0  2  2  0  2  2  0  2  2  2  0  0  0  2  0  0  0  2  0  2  0  2  0  0  0
 0  0  0  0  2  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  2  2  2  2  2  2  2  2  0  2  0  0  0  2  2  2  2  0  2  0  2  0  2  0  2  2  2  0  0  0  0  0  0  0  0  2  0  2  2  2  2  0  2  0  0  0
 0  0  0  0  0  2  0  0  0  0  0  0  0  0  0  0  0  2  2  2  2  2  2  2  0  0  0  0  0  2  2  0  2  0  2  2  0  0  2  0  0  2  0  2  2  0  2  2  0  2  2  2  2  0  2  0  0  2  0  0  2  2  0  2  0  0
 0  0  0  0  0  0  2  0  0  0  0  0  0  0  0  2  2  2  2  2  0  2  2  2  2  0  0  0  0  0  2  2  0  2  2  2  0  2  2  2  2  0  2  0  2  0  2  0  2  2  0  2  0  0  2  0  2  2  0  0  2  0  2  0  0  0
 0  0  0  0  0  0  0  2  0  0  0  0  0  0  2  2  2  0  2  2  0  2  2  0  0  0  0  2  2  2  0  2  2  2  2  0  2  2  2  0  2  2  2  2  2  2  0  2  0  0  0  0  0  2  0  0  2  0  2  0  2  2  0  0  0  0
 0  0  0  0  0  0  0  0  2  0  0  0  0  0  2  0  2  0  2  0  0  0  2  0  2  0  2  2  0  0  2  2  2  0  0  0  2  0  2  2  2  2  0  0  0  2  0  0  2  2  0  0  2  2  2  0  0  2  0  2  2  2  0  0  0  0
 0  0  0  0  0  0  0  0  0  2  0  0  0  2  0  0  2  0  0  2  0  0  0  2  2  0  2  2  2  0  0  2  0  0  2  0  2  2  0  2  0  2  2  2  0  0  2  2  2  0  0  2  2  2  0  0  0  0  2  2  2  2  2  0  2  2
 0  0  0  0  0  0  0  0  0  0  2  0  0  2  0  2  0  2  0  0  0  0  2  0  2  2  0  2  2  2  0  0  2  2  2  2  0  0  2  2  0  0  0  0  2  0  2  2  0  0  2  0  0  2  2  2  2  0  0  0  2  2  0  0  2  2
 0  0  0  0  0  0  0  0  0  0  0  2  0  2  2  2  0  2  0  2  2  0  2  0  0  2  2  2  0  0  2  2  2  2  2  0  0  2  0  2  2  0  2  0  2  2  2  0  2  0  2  0  0  0  0  2  0  0  2  2  0  2  2  0  2  2
 0  0  0  0  0  0  0  0  0  0  0  0  2  2  2  0  0  2  2  2  2  0  2  2  2  2  2  0  2  2  0  2  2  0  0  2  2  0  0  2  2  2  2  0  0  0  2  0  0  2  0  2  2  0  2  0  2  0  0  0  2  2  0  0  2  2

generates a code of length 66 over Z4 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+152x^48+488x^52+846x^56+80x^58+1506x^60+960x^62+3080x^64+2016x^66+3183x^68+960x^70+1649x^72+80x^74+819x^76+384x^80+141x^84+29x^88+7x^92+2x^96+1x^112

The gray image is a code over GF(2) with n=132, k=14 and d=48.
This code was found by Heurico 1.16 in 62 seconds.