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

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

Homogenous weight enumerator: w(x)=1x^0+201x^48+142x^50+605x^52+632x^54+1018x^56+628x^58+503x^60+120x^62+194x^64+14x^66+27x^68+9x^72+1x^76+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 9.32 seconds.