The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+79x^10+172x^11+368x^12+522x^13+838x^14+1518x^15+3281x^16+5962x^17+7210x^18+5974x^19+3344x^20+1582x^21+864x^22+506x^23+294x^24+126x^25+95x^26+22x^27+8x^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 5.44 seconds.