The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  3  1  1  1  1  1  1  3  1  3 18  1  3  1  1  1  3  1  1
 0  3  0  0 24 21 15  3 24 21 18  0 21  9 24  3 24  6 21  9  6 24 21  9  9  6 12 18  3 15  3 12 24  3  6 15 15 15  9 21  9 24
 0  0  3 24  0 15 21  3  6  6 21  0  3 15 24  0 18 21 15  9 24  9 12  3  3  3 15 15  3  9 12  0  9 21  6 12  6 15 24 24 12  0
 0  0  0  9  0  0 18  0  0  9 18  9 18 18 18 18  9  0  9 18 18  0  9  9  9 18  0  9 18 18  9  9  0  9  9  0  0  9 18  9  0  9
 0  0  0  0  9 18  0  9 18  0 18  9  0  0 18  0  9  0  9  9  0 18  9  0 18  9  9  9 18  9  9  0  0 18  0 18  0 18  9  9  9  0

generates a code of length 42 over Z27 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+398x^75+18x^76+1096x^78+144x^79+648x^80+1634x^81+1890x^82+2592x^83+1876x^84+3492x^85+2592x^86+1658x^87+288x^88+872x^90+334x^93+122x^96+20x^99+2x^102+4x^105+2x^108

The gray image is a code over GF(3) with n=378, k=9 and d=225.
This code was found by Heurico 1.16 in 5.16 seconds.