The generator matrix

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

generates a code of length 91 over Z27 who´s minimum homogenous weight is 171.

Homogenous weight enumerator: w(x)=1x^0+478x^171+180x^172+486x^173+1970x^174+1296x^175+1818x^176+3512x^177+3114x^178+3834x^179+5056x^180+4482x^181+4662x^182+5898x^183+5166x^184+4608x^185+4430x^186+2880x^187+1944x^188+1680x^189+360x^190+144x^191+496x^192+18x^193+252x^195+158x^198+68x^201+30x^204+14x^207+10x^210+2x^216+2x^222

The gray image is a code over GF(3) with n=819, k=10 and d=513.
This code was found by Heurico 1.16 in 14.8 seconds.