The generator matrix

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

generates a code of length 28 over Z8 who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+594x^24+888x^26+1182x^28+896x^30+437x^32+72x^34+26x^36

The gray image is a code over GF(2) with n=112, k=12 and d=48.
This code was found by Heurico 1.16 in 79 seconds.