The generator matrix

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

generates a code of length 56 over Z8 who´s minimum homogenous weight is 47.

Homogenous weight enumerator: w(x)=1x^0+46x^47+370x^48+684x^49+1586x^50+1338x^51+2395x^52+2076x^53+3402x^54+2446x^55+3917x^56+2624x^57+3484x^58+2188x^59+2595x^60+1202x^61+1188x^62+530x^63+404x^64+162x^65+90x^66+10x^67+14x^68+2x^69+10x^70+2x^71+2x^73

The gray image is a code over GF(2) with n=224, k=15 and d=94.
This code was found by Heurico 1.11 in 12 seconds.