The generator matrix

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

generates a code of length 21 over Z8 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+265x^16+140x^17+1044x^18+484x^19+1766x^20+776x^21+1788x^22+536x^23+1012x^24+108x^25+236x^26+4x^27+26x^28+4x^30+2x^32

The gray image is a code over GF(2) with n=84, k=13 and d=32.
This code was found by Heurico 1.16 in 0.533 seconds.