The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  2  0  2  2  1  2  1  1  2  1  1  0  1  1  1  4  1  1  4  1  1  1  2  2
 0  2  0  0  0  0  0  0  0  2  6  2  2  4  0  6  6  6  6  4  4  2  6  2  0  2  2  4  2  2  0  4  0  4  6  2  0  6  2  2  6  4  2  0  4  6  6  0  6  2  2  2  6  0  2  2
 0  0  2  0  0  0  2  6  2  2  2  4  2  4  6  4  0  2  4  2  2  4  0  6  0  0  6  0  2  2  4  6  2  2  0  2  6  2  2  2  0  6  6  0  0  2  6  2  6  2  4  4  0  2  0  2
 0  0  0  2  0  2  2  2  4  4  0  0  2  6  6  6  0  2  6  0  6  0  6  4  4  2  0  4  2  2  6  0  4  0  0  0  4  6  2  4  6  2  4  2  0  0  0  2  6  4  2  2  2  4  0  0
 0  0  0  0  2  2  4  6  2  4  2  2  6  4  2  4  4  0  2  6  4  2  0  4  4  2  2  6  6  0  6  6  6  4  4  4  2  0  4  2  4  0  0  0  6  0  0  4  2  0  0  6  6  6  6  0
 0  0  0  0  0  4  4  4  0  0  4  4  4  4  0  0  4  4  0  4  0  0  4  4  4  4  0  4  0  0  0  4  4  0  0  0  0  0  0  4  0  4  0  4  0  4  0  4  0  0  4  4  4  0  4  0

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

Homogenous weight enumerator: w(x)=1x^0+130x^48+8x^49+288x^50+36x^51+375x^52+180x^53+494x^54+264x^55+588x^56+336x^57+492x^58+148x^59+327x^60+52x^61+162x^62+110x^64+64x^66+34x^68+4x^70+2x^72+1x^88

The gray image is a code over GF(2) with n=224, k=12 and d=96.
This code was found by Heurico 1.16 in 0.869 seconds.