The generator matrix

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

generates a code of length 56 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+72x^45+445x^46+904x^47+1805x^48+2982x^49+4167x^50+5658x^51+7812x^52+9330x^53+12195x^54+12520x^55+14427x^56+12888x^57+12539x^58+9802x^59+8038x^60+5818x^61+4190x^62+2522x^63+1378x^64+736x^65+454x^66+204x^67+106x^68+44x^69+26x^70+6x^71+1x^72+2x^73

The gray image is a code over GF(2) with n=224, k=17 and d=90.
This code was found by Heurico 1.11 in 179 seconds.