The generator matrix

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

generates a code of length 56 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+87x^48+156x^49+296x^50+446x^51+577x^52+772x^53+708x^54+690x^55+790x^56+876x^57+741x^58+502x^59+496x^60+448x^61+272x^62+122x^63+88x^64+48x^65+26x^66+28x^67+7x^68+4x^69+4x^70+4x^71+2x^72+1x^74

The gray image is a code over GF(2) with n=224, k=13 and d=96.
This code was found by Heurico 1.16 in 1.88 seconds.