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
 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 3a+7 8a 8a 8a+3 2a
 0  0 3a+6  0 3a+6  3 6a+6 6a+6  3 6a+6  0 3a+3 3a 3a 6a+3  6  6 3a+3 3a+3 3a 3a+6 3a+3
 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 6a 6a+3  3 6a+6

generates a code of length 22 over GR(81,9) who´s minimum homogenous weight is 153.

Homogenous weight enumerator: w(x)=1x^0+992x^153+720x^154+3240x^160+4088x^162+4320x^163+17496x^168+51840x^169+17584x^171+18360x^172+139968x^177+207360x^178+34312x^180+29088x^181+1632x^189+440x^198

The gray image is a code over GF(9) with n=198, k=6 and d=153.
This code was found by Heurico 1.16 in 9.98 seconds.