The generator matrix

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

generates a code of length 43 over Z4 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+12x^42+32x^43+12x^44+3x^46+3x^48+1x^62

The gray image is a code over GF(2) with n=86, k=6 and d=42.
This code was found by Heurico 1.16 in 0.0129 seconds.