The generator matrix

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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 47.

Homogenous weight enumerator: w(x)=1x^0+76x^47+392x^48+982x^49+1465x^50+2122x^51+2851x^52+4048x^53+5145x^54+5824x^55+6454x^56+6432x^57+6617x^58+6168x^59+5248x^60+4206x^61+2995x^62+1942x^63+1051x^64+732x^65+414x^66+180x^67+97x^68+42x^69+36x^70+6x^71+2x^72+6x^73+2x^75

The gray image is a code over GF(2) with n=228, k=16 and d=94.
This code was found by Heurico 1.11 in 47.1 seconds.