The generator matrix

 1  0  0  1  1  1  6  1  1  1  1  2  1  2  4  1  1  1
 0  1  0  1  0  1  1  2  7  0  1  1  1  4  2  0  0  0
 0  0  1  1  1  0  1  1  2  0  3  1  2  1  2  6  0  0
 0  0  0  2  0  0  0  2  2  4  6  6  0  6  2  6  0  0
 0  0  0  0  2  0  0  2  4  6  2  2  4  2  0  0  2  0
 0  0  0  0  0  2  6  0  2  6  6  4  4  0  2  0  2  0
 0  0  0  0  0  0  4  4  0  0  4  4  4  4  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+57x^10+172x^11+452x^12+1044x^13+2296x^14+4398x^15+7524x^16+10866x^17+12094x^18+10478x^19+7538x^20+4706x^21+2328x^22+938x^23+410x^24+150x^25+57x^26+14x^27+10x^28+2x^29+1x^32

The gray image is a code over GF(2) with n=72, k=16 and d=20.
This code was found by Heurico 1.16 in 12.1 seconds.