The generator matrix

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

generates a code of length 56 over Z8 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+211x^52+246x^54+207x^56+158x^58+130x^60+42x^62+17x^64+2x^66+6x^68+2x^72+1x^76+1x^80

The gray image is a code over GF(2) with n=224, k=10 and d=104.
This code was found by Heurico 1.16 in 1.57 seconds.