The generator matrix

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

generates a code of length 50 over Z4 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+194x^46+43x^48+130x^50+74x^54+18x^56+30x^58+20x^62+2x^64

The gray image is a code over GF(2) with n=100, k=9 and d=46.
This code was found by Heurico 1.10 in 135 seconds.