The generator matrix

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

generates a code of length 30 over Z4 who´s minimum homogenous weight is 26.

Homogenous weight enumerator: w(x)=1x^0+122x^26+120x^28+94x^30+69x^32+48x^34+28x^36+22x^38+6x^40+2x^42

The gray image is a code over GF(2) with n=60, k=9 and d=26.
This code was found by Heurico 1.16 in 0.0919 seconds.