The generator matrix

 1  0  0  0  0  1  1  1  4  1  6  1  6  1
 0  1  0  0  0  4  1  3  1  4  1  6  1  6
 0  0  1  0  0  7  3  2  7  2  0  5  6  3
 0  0  0  1  0  1  2  5  3  3  3  0  1  7
 0  0  0  0  1  1  4  4  6  7  7  7  6  2

generates a code of length 14 over Z8 who´s minimum homogenous weight is 9.

Homogenous weight enumerator: w(x)=1x^0+236x^9+791x^10+1966x^11+3740x^12+6168x^13+6758x^14+6404x^15+3888x^16+1892x^17+643x^18+222x^19+50x^20+8x^21+1x^24

The gray image is a code over GF(2) with n=56, k=15 and d=18.
This code was found by Heurico 1.16 in 2.87 seconds.