The generator matrix

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

generates a code of length 45 over Z4 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+114x^42+21x^44+72x^46+4x^48+18x^50+3x^52+20x^54+3x^56

The gray image is a code over GF(2) with n=90, k=8 and d=42.
This code was found by Heurico 1.16 in 1.25 seconds.