The generator matrix

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

generates a code of length 81 over Z9 who´s minimum homogenous weight is 150.

Homogenous weight enumerator: w(x)=1x^0+332x^150+752x^153+762x^156+1094x^159+956x^162+828x^165+818x^168+660x^171+192x^174+94x^177+22x^180+28x^186+12x^189+10x^195

The gray image is a code over GF(3) with n=243, k=8 and d=150.
This code was found by Heurico 1.16 in 68.7 seconds.