The generator matrix

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

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+598x^10+1064x^11+4058x^12+5612x^13+15651x^14+10800x^15+15651x^16+5612x^17+4058x^18+1064x^19+598x^20+212x^21+172x^22+1x^30

The gray image is a code over GF(2) with n=60, k=16 and d=16.
This code was found by Heurico 1.16 in 7.32 seconds.