The generator matrix

 1  0  1  1  1  1  1  1 18  1  1 21  1 21  1  1  1  1  6  1  1  1  1  1  9  1  1  6  1  1  1  0  3  1  1 24  1 21  1  1  1  1  1  1  1  1  1  1 24  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  6  3  0  9
 0  1  1 26 18 17  0 25  1  4 20  1 23  1 21 11 24  4  1  3 17 20 22 22  1  6  6  1 16 21  1  1  1 15 11  1 14  1 10  3 26  7  9 14  7 19  1 17  1 14 19  3  9  4  6 26 20  6  5 19 13 21 25 22 16 18  3 21 18 19 17  4  1  9 14  5 26 24 24 22 12 20  8  2 16 16  7  1  3  1  1
 0  0 24  9 21 12  6  3  3  0 18  6 18  0  0 15 15  6 24  3 21 24 12 18 21  9  3  9 24 15  3  6  3  6 12 21 21 24  0 21 24 12  9 15  6 18  6  0 18 24  9 18  3  9 18 15  0 21  9 15  3  6 18 21  0 24  9 12 15 12 18 24 21 18 12  0 21 12 24 15 24  6  6  3 15 18  9  3 21 18  9

generates a code of length 91 over Z27 who´s minimum homogenous weight is 177.

Homogenous weight enumerator: w(x)=1x^0+586x^177+612x^178+1026x^179+944x^180+582x^181+192x^182+442x^183+366x^184+138x^185+552x^186+264x^187+390x^188+280x^189+114x^190+36x^191+24x^192+6x^193+2x^195+2x^201+2x^225

The gray image is a code over GF(3) with n=819, k=8 and d=531.
This code was found by Heurico 1.16 in 10.7 seconds.