The generator matrix

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

generates a code of length 56 over Z8 who´s minimum homogenous weight is 47.

Homogenous weight enumerator: w(x)=1x^0+80x^47+378x^48+816x^49+1085x^50+1662x^51+2096x^52+2652x^53+2800x^54+3294x^55+3069x^56+3250x^57+2987x^58+2720x^59+2136x^60+1502x^61+918x^62+664x^63+284x^64+208x^65+78x^66+42x^67+34x^68+2x^69+4x^70+2x^71+2x^72+2x^73

The gray image is a code over GF(2) with n=224, k=15 and d=94.
This code was found by Heurico 1.16 in 26.5 seconds.