The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+185x^8+1120x^10+896x^11+1960x^12+3584x^13+5600x^14+7424x^15+3235x^16+3584x^17+3360x^18+896x^19+728x^20+160x^22+35x^24

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 1.82 seconds.