The generator matrix

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

generates a code of length 18 over Z8 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+101x^8+144x^10+288x^11+528x^12+1056x^13+1020x^14+2272x^15+3659x^16+4576x^17+5520x^18+4576x^19+3512x^20+2272x^21+1224x^22+1056x^23+367x^24+288x^25+256x^26+24x^28+28x^30

The gray image is a code over GF(2) with n=72, k=15 and d=16.
This code was found by Heurico 1.16 in 1.31 seconds.