The generator matrix

 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  1  1  1  1  1  1  1  1  1  1
 0  8  0  0  0  0  0  0  0  0  8  0  8  8  0  8  8  0  8  8  0  8  0  8  0  8  0  8  8  8  8  8  0  0  0  0  0  0  8  8
 0  0  8  0  0  0  0  0  0  0  8  8  8  0  8  8  0  8  8  0  8  0  8  0  8  8  8  8  8  8  0  0  0  0  0  0  8  8  8  8
 0  0  0  8  0  0  0  8  8  8  0  8  8  8  8  0  8  8  8  0  8  8  0  8  0  0  0  0  8  8  0  0  0  0  0  8  8  0  0  0
 0  0  0  0  8  0  8  8  8  0  0  0  0  0  0  8  8  8  0  8  8  0  8  8  8  0  0  8  8  8  8  0  0  0  8  8  0  0  0  0
 0  0  0  0  0  8  8  0  8  8  0  0  0  0  8  8  0  8  8  0  0  8  0  8  8  8  8  0  0  8  8  8  0  8  8  0  0  0  0  0

generates a code of length 40 over Z16 who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+16x^36+478x^40+16x^44+1x^80

The gray image is a code over GF(2) with n=320, k=9 and d=144.
This code was found by Heurico 1.16 in 0.0256 seconds.