The generator matrix

 1  0  1  1  1  1  1  0  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  1  1  8  0  7  8  1  0  7  3  7  8  2  2  8  2  3  2  1  0
 0  0  6  0  3  6  3  0  6  3  6  0  0  3  6  3  0  6  3  6  0
 0  0  0  3  3  6  6  3  0  0  3  6  0  3  3  0  6  6  6  6  0

generates a code of length 21 over Z9 who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+46x^36+114x^38+48x^39+150x^41+56x^42+180x^44+52x^45+30x^47+28x^48+12x^50+4x^51+6x^54+2x^57

The gray image is a code over GF(3) with n=63, k=6 and d=36.
This code was found by Heurico 1.16 in 0.00319 seconds.