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  1  1  2  0  1  1  2  2  1  0  2  2  1  1  0  1  1  2  1  1  1  1  1  2  2  1  1  0  1  1  2  2  1
 0  2  0  2  0  0  2  6  0  4  6  2  0  2  2  4  4  6  0  2  6  0  2  4  6  2  2  0  6  2  2  0  0  4  6  2  4  4  0  2  6  2  4  2  2  0  2  0  4  4  2  4  6  0  4
 0  0  2  2  0  6  2  0  4  2  0  2  0  6  4  2  2  4  0  6  6  2  4  0  0  4  0  0  0  6  4  2  6  2  2  6  2  2  2  2  4  0  6  2  2  6  0  0  6  2  4  4  4  0  2
 0  0  0  4  0  0  0  0  4  4  4  4  4  0  4  0  0  0  0  4  0  4  0  4  4  0  4  4  4  0  4  0  0  4  0  4  0  4  0  0  0  0  0  0  4  0  4  0  0  0  4  4  4  0  0
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  0  0  0  0  0  4  4  4  4  0  4  0  4  4  0  4  4  0  4  4  4  0  4  0  0  4  4  0  4  4  0  4  0  4  4  0  0  4  4  4  0
 0  0  0  0  0  4  0  0  0  4  0  0  4  4  4  4  4  4  4  0  4  0  0  0  0  0  0  4  0  4  4  0  0  4  0  0  4  0  4  0  4  4  4  0  0  4  4  4  0  4  0  4  4  0  0
 0  0  0  0  0  0  4  0  4  4  4  4  4  0  4  4  4  4  4  4  4  0  0  4  0  4  0  0  0  0  0  0  4  0  0  4  0  0  0  4  0  0  4  0  4  4  4  0  0  0  0  4  0  4  4
 0  0  0  0  0  0  0  4  0  0  0  4  0  4  4  0  4  4  0  0  4  0  0  4  0  4  4  4  0  0  0  4  4  0  4  4  4  4  4  4  4  4  4  0  0  0  4  0  4  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+42x^46+56x^47+99x^48+124x^49+234x^50+212x^51+295x^52+398x^53+384x^54+512x^55+387x^56+388x^57+258x^58+176x^59+190x^60+96x^61+74x^62+56x^63+37x^64+16x^65+27x^66+12x^67+11x^68+2x^69+4x^70+3x^72+1x^80+1x^82

The gray image is a code over GF(2) with n=220, k=12 and d=92.
This code was found by Heurico 1.16 in 0.872 seconds.