The generator matrix

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

generates a code of length 15 over Z8 who´s minimum homogenous weight is 6.

Homogenous weight enumerator: w(x)=1x^0+26x^6+16x^7+121x^8+384x^9+566x^10+1856x^11+3440x^12+8320x^13+8124x^14+19808x^15+8139x^16+8320x^17+3460x^18+1856x^19+560x^20+384x^21+106x^22+16x^23+27x^24+6x^26

The gray image is a code over GF(2) with n=60, k=16 and d=12.
This code was found by Heurico 1.16 in 2.58 seconds.