The generator matrix

 1  0  0  0  1  1  1  1  4  4  1  1  1  1
 0  1  0  0  1  0  4  3  1  1  0  1  2  2
 0  0  1  0  1  0  3  0  3  2  1  2  3  2
 0  0  0  1  1  1  0  0  1  2  5  1  4  0
 0  0  0  0  2  0  0  6  2  0  4  4  2  0
 0  0  0  0  0  2  6  6  6  2  4  2  0  0

generates a code of length 14 over Z8 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+103x^8+450x^9+1454x^10+3848x^11+7183x^12+13082x^13+13188x^14+13152x^15+7304x^16+3862x^17+1374x^18+408x^19+97x^20+14x^21+16x^22

The gray image is a code over GF(2) with n=56, k=16 and d=16.
This code was found by Heurico 1.16 in 7.8 seconds.