The generator matrix

 1  0  1  1  1  1  1  1 18 24  1  1  1 24  1  1  1 21  1  1  0
 0  1  1 26 18 17  0 16  1  1 22 21  1  1  6  4  4  1  3 20  1
 0  0 24  9 21 12  6 15 12  9  3  0 21  6  6 24 18  0 21 18 15

generates a code of length 21 over Z27 who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+432x^38+444x^39+648x^40+1212x^41+810x^42+1296x^43+1170x^44+438x^45+72x^47+6x^48+30x^50+2x^54

The gray image is a code over GF(3) with n=189, k=8 and d=114.
This code was found by Heurico 1.16 in 1.06 seconds.