The generator matrix

 1  1  1  1  1  1  1  1  2  1  1  1  1  1  1  1  1  2  2  4  2  2
 0 12  0  4  0  0  4 12  8  8  8 12  4  8  8 12  4  4 12  8  0  8
 0  0 12  4  8  4 12  8  4  8  4 12  8  0 12  4  0  4  0  4 12 12

generates a code of length 22 over Z16 who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+18x^20+68x^21+90x^22+56x^23+12x^24+4x^25+6x^26+1x^32

The gray image is a code over GF(2) with n=176, k=8 and d=80.
This code was found by Heurico 1.16 in 0.00496 seconds.