The generator matrix

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

generates a code of length 42 over Z27 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+498x^80+1332x^81+540x^82+402x^83+1458x^84+216x^85+258x^86+1332x^87+216x^88+234x^89+4x^90+30x^92+12x^95+24x^98+4x^99

The gray image is a code over GF(3) with n=378, k=8 and d=240.
This code was found by Heurico 1.16 in 80.5 seconds.