The generator matrix

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

generates a code of length 56 over Z8 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+20x^46+38x^47+100x^48+150x^49+296x^50+336x^51+484x^52+700x^53+706x^54+808x^55+912x^56+872x^57+758x^58+684x^59+452x^60+292x^61+224x^62+178x^63+67x^64+34x^65+28x^66+4x^67+20x^68+10x^70+8x^72+6x^74+4x^76

The gray image is a code over GF(2) with n=224, k=13 and d=92.
This code was found by Heurico 1.16 in 2.62 seconds.