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

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

Homogenous weight enumerator: w(x)=1x^0+172x^8+212x^9+470x^10+744x^11+1370x^12+1772x^13+2083x^14+19120x^15+2083x^16+1772x^17+1370x^18+744x^19+470x^20+212x^21+172x^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 3.09 seconds.