The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+123x^48+72x^49+390x^50+308x^51+756x^52+500x^53+874x^54+676x^55+1015x^56+580x^57+840x^58+604x^59+587x^60+252x^61+282x^62+76x^63+114x^64+4x^65+96x^66+24x^68+12x^70+3x^72+2x^74+1x^76

The gray image is a code over GF(2) with n=224, k=13 and d=96.
This code was found by Heurico 1.16 in 2.48 seconds.