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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+82x^45+191x^46+328x^47+380x^48+448x^49+608x^50+688x^51+820x^52+1150x^53+1878x^54+3098x^55+4329x^56+4806x^57+4301x^58+3016x^59+1878x^60+1240x^61+842x^62+728x^63+606x^64+450x^65+333x^66+240x^67+177x^68+72x^69+36x^70+30x^71+8x^73+2x^74+1x^76+1x^102

The gray image is a code over GF(2) with n=228, k=15 and d=90.
This code was found by Heurico 1.16 in 51.5 seconds.