The generator matrix

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

generates a code of length 80 over Z9 who´s minimum homogenous weight is 156.

Homogenous weight enumerator: w(x)=1x^0+168x^156+292x^159+162x^162+64x^165+32x^168+6x^171+2x^198+2x^201

The gray image is a code over GF(3) with n=240, k=6 and d=156.
This code was found by Heurico 1.16 in 0.16 seconds.