The generator matrix

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

generates a code of length 24 over GR(81,9) who´s minimum homogenous weight is 162.

Homogenous weight enumerator: w(x)=1x^0+96x^162+216x^168+288x^169+872x^171+3240x^176+5184x^177+3024x^178+1136x^180+5832x^184+51840x^185+41472x^186+16416x^187+1224x^189+46656x^193+207360x^194+110592x^195+32760x^196+1432x^198+1456x^207+344x^216

The gray image is a code over GF(9) with n=216, k=6 and d=162.
This code was found by Heurico 1.16 in 11.4 seconds.