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

generates a code of length 51 over Z4 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+47x^42+93x^44+103x^46+125x^48+163x^50+161x^52+123x^54+88x^56+37x^58+31x^60+29x^62+9x^64+9x^66+3x^68+1x^70+1x^80

The gray image is a code over GF(2) with n=102, k=10 and d=42.
This code was found by Heurico 1.16 in 14.2 seconds.