The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+161x^8+456x^10+2288x^12+5160x^14+5595x^16+2008x^18+624x^20+56x^22+35x^24

The gray image is a code over GF(2) with n=60, k=14 and d=16.
This code was found by Heurico 1.16 in 4.08 seconds.