The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+280x^46+228x^47+870x^48+924x^49+1638x^50+1836x^51+2923x^52+2600x^53+3490x^54+3068x^55+3670x^56+2816x^57+2850x^58+1768x^59+1628x^60+844x^61+662x^62+200x^63+283x^64+44x^65+104x^66+4x^67+33x^68+4x^69

The gray image is a code over GF(2) with n=220, k=15 and d=92.
This code was found by Heurico 1.16 in 46.3 seconds.