The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+37x^8+24x^9+82x^10+160x^11+175x^12+616x^13+218x^14+1472x^15+213x^16+616x^17+182x^18+160x^19+80x^20+24x^21+30x^22+5x^24+1x^28

The gray image is a code over GF(2) with n=60, k=12 and d=16.
This code was found by Heurico 1.16 in 0.0373 seconds.