The generator matrix

 1  0  1  1  1  0  1  1  0  1  1  6  2  1  1  1  2  1
 0  1  1  0  3  1  0  3  1  2  7  1  4  0  4  2  4  0
 0  0  2  0  2  0  2  0  6  2  0  2  0  2  6  4  0  0
 0  0  0  2  2  6  2  0  0  0  2  2  2  6  0  6  2  0
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  0  4  0
 0  0  0  0  0  4  0  0  0  4  4  4  0  4  0  0  0  0
 0  0  0  0  0  0  4  0  0  4  4  4  4  0  4  0  0  4
 0  0  0  0  0  0  0  4  0  0  4  4  0  4  4  0  4  0
 0  0  0  0  0  0  0  0  4  4  4  0  0  0  4  4  0  4

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

Homogenous weight enumerator: w(x)=1x^0+57x^10+447x^12+128x^13+1395x^14+1664x^15+3765x^16+6400x^17+5022x^18+6400x^19+3810x^20+1664x^21+1418x^22+128x^23+410x^24+41x^26+15x^28+3x^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 2.66 seconds.