The generator matrix

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

generates a code of length 28 over Z8 who´s minimum homogenous weight is 26.

Homogenous weight enumerator: w(x)=1x^0+52x^26+32x^27+92x^28+32x^29+40x^30+2x^32+4x^34+1x^48

The gray image is a code over GF(2) with n=112, k=8 and d=52.
This code was found by Heurico 1.16 in 0.00732 seconds.