The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+42x^16+84x^17+143x^18+252x^19+350x^20+368x^21+277x^22+240x^23+176x^24+60x^25+25x^26+20x^27+6x^28+3x^30+1x^32

The gray image is a code over GF(2) with n=84, k=11 and d=32.
This code was found by Heurico 1.16 in 0.038 seconds.