The generator matrix
1 1 1 1 1 1 1 1 1 2 2 1 1
0 4 0 0 0 0 0 0 4 0 4 4 0
0 0 4 0 0 0 0 0 4 4 4 0 0
0 0 0 4 0 0 0 4 0 4 0 4 0
0 0 0 0 4 0 0 4 0 0 4 4 0
0 0 0 0 0 4 0 4 4 0 0 4 0
0 0 0 0 0 0 4 4 4 4 4 4 0
generates a code of length 13 over Z8 who´s minimum homogenous weight is 8.
Homogenous weight enumerator: w(x)=1x^0+26x^8+12x^10+32x^11+24x^12+320x^13+28x^14+32x^15+13x^16+20x^18+4x^22
The gray image is a code over GF(2) with n=52, k=9 and d=16.
This code was found by Heurico 1.16 in 0.0015 seconds.