The generator matrix

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

generates a code of length 56 over Z8 who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+114x^50+300x^51+357x^52+386x^53+430x^54+440x^55+362x^56+348x^57+337x^58+260x^59+261x^60+186x^61+112x^62+80x^63+55x^64+24x^65+15x^66+24x^67+4x^68

The gray image is a code over GF(2) with n=224, k=12 and d=100.
This code was found by Heurico 1.11 in 0.304 seconds.