The generator matrix

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

generates a code of length 16 over Z8 who´s minimum homogenous weight is 6.

Homogenous weight enumerator: w(x)=1x^0+26x^6+8x^7+91x^8+72x^9+218x^10+288x^11+466x^12+1184x^13+2820x^14+8688x^15+5015x^16+8688x^17+2836x^18+1184x^19+492x^20+288x^21+226x^22+72x^23+77x^24+8x^25+18x^26+2x^28

The gray image is a code over GF(2) with n=64, k=15 and d=12.
This code was found by Heurico 1.16 in 0.875 seconds.