The generator matrix

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

generates a code of length 41 over Z4 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+6x^42+6x^44+2x^46+1x^48

The gray image is a code over GF(2) with n=82, k=4 and d=42.
This code was found by Heurico 1.16 in 0.00717 seconds.