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
 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 3a+7  1 8a 7a+7 8a+5 2a+5  a 3a+5 8a+4 2a+2 2a+5
 0  0 3a+6  0 3a+6  3 6a+6 6a+6  6 3a 3a+6 3a  3 3a  3  3 6a+6  6 3a+6 3a+6  3 3a+3 3a 6a+3  6 3a+3 6a+3  6  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  3  6 3a 3a 3a+6 6a+6 6a+3  0  0 3a 3a+3

generates a code of length 29 over GR(81,9) who´s minimum homogenous weight is 207.

Homogenous weight enumerator: w(x)=1x^0+616x^207+360x^208+1368x^211+3736x^216+8640x^217+5616x^220+42616x^225+69120x^226+19656x^229+167144x^234+184320x^235+25848x^238+1168x^243+1016x^252+216x^261

The gray image is a code over GF(9) with n=261, k=6 and d=207.
This code was found by Heurico 1.16 in 13.7 seconds.