The generator matrix

 1  0  1  1  1  1  1 18  1  1  1 21  1  1  1  1 21  1  1  1
 0  1  1 26 16  0 17  1  4  3 20  1 21 16  0 15  1 14 22 18
 0  0 24  0 18  6 21 21 18  3  6 15 15 15  0 12  9 12 21 12
 0  0  0  9 18  0  9  9  9  9 18  0 18  9 18  0 18 18 18  0

generates a code of length 20 over Z27 who´s minimum homogenous weight is 33.

Homogenous weight enumerator: w(x)=1x^0+32x^33+54x^34+384x^35+1038x^36+324x^37+2496x^38+3654x^39+2592x^40+4302x^41+3638x^42+432x^43+516x^44+120x^45+78x^47+18x^48+2x^51+2x^54

The gray image is a code over GF(3) with n=180, k=9 and d=99.
This code was found by Heurico 1.16 in 0.264 seconds.