The generator matrix

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

generates a code of length 18 over Z8 who´s minimum homogenous weight is 10.

Homogenous weight enumerator: w(x)=1x^0+84x^10+40x^11+269x^12+292x^13+478x^14+1076x^15+1687x^16+2660x^17+3118x^18+2724x^19+1752x^20+1100x^21+474x^22+252x^23+240x^24+44x^25+70x^26+4x^27+19x^28

The gray image is a code over GF(2) with n=72, k=14 and d=20.
This code was found by Heurico 1.16 in 1.23 seconds.