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  2  1  1  2  1  2  1  1  1  1  1  1  1  1  1  2  1  1  2  2  1  2  1
 0  8  0  0  0  0  0  0  0  0  0  0  0  8  8  8  0  0  0  0  8  8  8  8  0  0  0  8  8  8  8  0  8  0  8  8  0  0  0  0  8  8  0  8  0  8  8
 0  0  8  0  0  0  0  0  0  0  0  8  8  8  8  8  0  8  8  8  0  8  8  8  0  0  8  0  8  8  0  0  0  8  0  0  0  0  8  0  8  8  8  0  0  0  0
 0  0  0  8  0  0  0  0  0  0  8  8  8  0  8  8  0  8  8  0  0  0  0  0  8  8  8  8  0  0  0  8  0  8  8  0  8  0  0  8  0  8  8  0  0  0  8
 0  0  0  0  8  0  0  0  0  0  8  0  8  0  8  0  8  0  8  8  8  0  0  8  8  8  0  8  0  8  8  0  0  8  0  8  0  0  0  0  0  8  0  0  8  8  8
 0  0  0  0  0  8  0  0  0  8  0  0  8  0  0  8  8  8  8  0  8  0  8  8  8  0  0  8  8  0  8  0  8  8  0  8  8  8  8  0  8  8  8  0  0  8  0
 0  0  0  0  0  0  8  0  0  8  0  8  0  8  0  0  0  8  0  0  0  8  8  8  8  8  0  8  8  8  0  0  8  8  0  8  0  8  8  0  0  0  0  8  8  0  0
 0  0  0  0  0  0  0  8  0  8  8  8  0  8  0  8  0  0  8  8  8  0  0  8  8  0  0  0  0  8  0  8  8  0  0  0  0  8  8  0  0  8  8  0  8  8  0
 0  0  0  0  0  0  0  0  8  8  8  0  0  8  8  8  8  8  0  8  0  8  0  8  8  8  8  0  8  0  8  8  0  8  8  8  8  0  0  0  8  8  0  0  0  8  0

generates a code of length 47 over Z16 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+194x^40+48x^42+304x^46+3072x^47+187x^48+144x^50+16x^54+126x^56+3x^64+1x^80

The gray image is a code over GF(2) with n=376, k=12 and d=160.
This code was found by Heurico 1.16 in 25.7 seconds.