The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  0  1  1  1  1  1  1  1  1  1  1  1  3  1
 0  1  1  a 7a+7 8a+4 3a+5 8a+5 8a a+5  0 a+5 8a 8a+5 8a+4  1  a 7a+7 8a+5  1  0  a a+5 8a a+3 8a+3 a+3 8a+3 8a+4 7a+3  3  1  3
 0  0 3a+6  0 3a+6  3 6a+6 6a+6  6 3a 3a+6 3a  3 3a  3  3 6a+6  6  6 3a+6 6a+3 3a 3a+6 6a+3  6  6 6a  0 3a+3  0  3  6 3a+6
 0  0  0  3 3a+6 3a+6  3 3a  3 3a+3 6a 6a+6 6a 6a+3  0 6a+6 3a+3 3a+6 6a+3  6 3a+6  3  6 6a+3 3a+3  0 6a+3  3 6a 6a 6a+6  0 6a+3

generates a code of length 33 over GR(81,9) who´s minimum homogenous weight is 234.

Homogenous weight enumerator: w(x)=1x^0+224x^234+216x^240+288x^241+1296x^242+2504x^243+648x^248+5184x^249+3024x^250+9072x^251+6424x^252+11664x^256+10368x^257+41472x^258+16416x^259+36288x^260+20960x^261+93312x^265+41472x^266+110592x^267+32760x^268+58320x^269+27008x^270+1112x^279+680x^288+136x^297

The gray image is a code over GF(9) with n=297, k=6 and d=234.
This code was found by Heurico 1.16 in 17.5 seconds.