The generator matrix

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

generates a code of length 56 over Z8 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+42x^49+197x^50+230x^51+267x^52+402x^53+372x^54+382x^55+384x^56+386x^57+417x^58+352x^59+229x^60+168x^61+136x^62+48x^63+10x^64+18x^65+22x^66+10x^67+4x^68+6x^69+7x^70+2x^71+1x^72+2x^73+1x^78

The gray image is a code over GF(2) with n=224, k=12 and d=98.
This code was found by Heurico 1.16 in 0.679 seconds.