The generator matrix

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

generates a code of length 32 over Z4 who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+62x^30+22x^32+27x^34+6x^36+4x^38+3x^40+3x^42

The gray image is a code over GF(2) with n=64, k=7 and d=30.
This code was found by Heurico 1.16 in 0.0192 seconds.