The generator matrix

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

generates a code of length 55 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+123x^48+72x^49+298x^50+208x^51+408x^52+312x^53+458x^54+352x^55+505x^56+312x^57+334x^58+208x^59+329x^60+72x^61+62x^62+22x^64+12x^68+5x^72+3x^76

The gray image is a code over GF(2) with n=220, k=12 and d=96.
This code was found by Heurico 1.16 in 1.47 seconds.