The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+24x^10+94x^11+206x^12+406x^13+951x^14+1942x^15+3867x^16+5734x^17+6258x^18+5762x^19+3934x^20+1970x^21+920x^22+386x^23+180x^24+82x^25+38x^26+8x^27+4x^28+1x^30

The gray image is a code over GF(2) with n=72, k=15 and d=20.
This code was found by Heurico 1.16 in 3.24 seconds.