The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+126x^48+276x^49+900x^50+632x^51+1421x^52+972x^53+1680x^54+1152x^55+2032x^56+1268x^57+1832x^58+1012x^59+1270x^60+548x^61+666x^62+232x^63+217x^64+40x^65+66x^66+12x^67+21x^68+6x^70+2x^74

The gray image is a code over GF(2) with n=224, k=14 and d=96.
This code was found by Heurico 1.11 in 3.42 seconds.