The generator matrix

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

generates a code of length 21 over Z8 who´s minimum homogenous weight is 14.

Homogenous weight enumerator: w(x)=1x^0+61x^14+120x^15+305x^16+522x^17+1047x^18+1834x^19+2657x^20+3194x^21+2713x^22+1930x^23+1079x^24+494x^25+261x^26+78x^27+51x^28+14x^29+14x^30+6x^31+3x^32

The gray image is a code over GF(2) with n=84, k=14 and d=28.
This code was found by Heurico 1.16 in 2.01 seconds.