The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+28x^52+40x^53+108x^54+72x^55+87x^56+40x^57+40x^58+24x^59+41x^60+16x^61+12x^62+1x^68+2x^84

The gray image is a code over GF(2) with n=224, k=9 and d=104.
This code was found by Heurico 1.16 in 0.0537 seconds.