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

generates a code of length 46 over Z4 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+10x^42+8x^43+18x^44+24x^45+14x^46+24x^47+7x^48+8x^49+6x^50+6x^52+1x^54+1x^86

The gray image is a code over GF(2) with n=92, k=7 and d=42.
This code was found by Heurico 1.16 in 0.0198 seconds.