The generator matrix

 1  1  1  1  1  1  1  1  2  1  1  2  2  2  4  0  2  0
 0  2  0  0  0  0  0  0  0  0  6  6  6  4  2  4  6  2
 0  0  2  0  0  0  0  4  6  2  2  6  4  6  6  4  6  2
 0  0  0  2  0  0  0  6  2  4  2  4  2  0  0  4  2  2
 0  0  0  0  2  0  2  2  0  2  2  4  6  2  6  0  4  6
 0  0  0  0  0  2  2  4  2  4  6  6  4  0  6  2  0  2
 0  0  0  0  0  0  4  4  4  0  4  4  0  4  0  0  0  0

generates a code of length 18 over Z8 who´s minimum homogenous weight is 11.

Homogenous weight enumerator: w(x)=1x^0+100x^11+229x^12+346x^13+688x^14+1196x^15+1785x^16+2440x^17+2728x^18+2444x^19+1914x^20+1252x^21+640x^22+340x^23+166x^24+56x^25+40x^26+16x^27+1x^28+2x^29

The gray image is a code over GF(2) with n=72, k=14 and d=22.
This code was found by Heurico 1.16 in 14.5 seconds.