The generator matrix

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

generates a code of length 15 over Z8 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+151x^8+230x^9+543x^10+700x^11+1277x^12+1786x^13+2124x^14+19144x^15+2124x^16+1786x^17+1277x^18+700x^19+543x^20+230x^21+151x^22+1x^30

The gray image is a code over GF(2) with n=60, k=15 and d=16.
This code was found by Heurico 1.16 in 3.12 seconds.