The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+96x^46+392x^47+813x^48+1246x^49+1749x^50+1890x^51+2466x^52+2870x^53+3248x^54+3112x^55+3373x^56+2920x^57+2613x^58+1960x^59+1736x^60+1004x^61+592x^62+346x^63+179x^64+94x^65+20x^66+26x^67+8x^68+6x^69+2x^70+2x^71+4x^73

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 25.8 seconds.