The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+98x^10+132x^11+349x^12+512x^13+934x^14+1528x^15+3245x^16+6000x^17+7136x^18+6032x^19+3222x^20+1568x^21+968x^22+488x^23+338x^24+112x^25+78x^26+12x^27+13x^28+2x^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 3.75 seconds.