The generator matrix

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

generates a code of length 23 over Z9 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+14x^45+54x^46+6x^48+4x^51+2x^60

The gray image is a code over GF(3) with n=69, k=4 and d=45.
This code was found by Heurico 1.16 in 0.00108 seconds.