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

generates a code of length 55 over Z8 who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+47x^42+60x^43+210x^44+256x^45+452x^46+548x^47+725x^48+1018x^49+1388x^50+2040x^51+2257x^52+2624x^53+2994x^54+3224x^55+3183x^56+2762x^57+2377x^58+1976x^59+1420x^60+1052x^61+728x^62+528x^63+325x^64+202x^65+178x^66+68x^67+57x^68+20x^69+26x^70+4x^71+13x^72+2x^73+2x^74+1x^96

The gray image is a code over GF(2) with n=220, k=15 and d=84.
This code was found by Heurico 1.16 in 47.9 seconds.