The generator matrix

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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 44.

Homogenous weight enumerator: w(x)=1x^0+47x^44+116x^45+200x^46+376x^47+588x^48+1070x^49+1406x^50+2188x^51+2789x^52+4398x^53+4575x^54+5788x^55+5670x^56+6794x^57+6002x^58+6156x^59+4442x^60+4156x^61+2765x^62+2258x^63+1363x^64+1020x^65+599x^66+350x^67+185x^68+104x^69+65x^70+34x^71+18x^72+4x^73+2x^75+1x^76+2x^77+3x^78+1x^82

The gray image is a code over GF(2) with n=228, k=16 and d=88.
This code was found by Heurico 1.16 in 99.7 seconds.