The generator matrix

 1  0  0  0  0  1  1  1  4  1  1  1  1  2  2
 0  1  0  0  0  4  1  3  1  2  0  6  7  4  1
 0  0  1  0  0  7  3  2  7  5  6  0  4  4  7
 0  0  0  1  0  1  2  5  5  7  7  6  5  1  4
 0  0  0  0  1  1  4  4  6  0  6  3  3  3  5

generates a code of length 15 over Z8 who´s minimum homogenous weight is 10.

Homogenous weight enumerator: w(x)=1x^0+302x^10+892x^11+2183x^12+3508x^13+6104x^14+6456x^15+6462x^16+3784x^17+2054x^18+652x^19+281x^20+68x^21+20x^22+1x^24

The gray image is a code over GF(2) with n=60, k=15 and d=20.
This code was found by Heurico 1.16 in 3.47 seconds.