The generator matrix

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

generates a code of length 55 over Z8 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+421x^46+728x^47+1435x^48+2084x^49+3487x^50+3692x^51+5093x^52+5392x^53+6961x^54+6656x^55+6798x^56+5836x^57+5672x^58+3812x^59+3106x^60+1752x^61+1351x^62+640x^63+378x^64+104x^65+83x^66+24x^67+17x^68+3x^70+4x^72+6x^74

The gray image is a code over GF(2) with n=220, k=16 and d=92.
This code was found by Heurico 1.11 in 49.8 seconds.