The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+243x^48+132x^49+714x^50+264x^51+1034x^52+452x^53+1149x^54+404x^55+1223x^56+384x^57+885x^58+272x^59+517x^60+116x^61+219x^62+20x^63+105x^64+4x^65+37x^66+13x^68+4x^70

The gray image is a code over GF(2) with n=220, k=13 and d=96.
This code was found by Heurico 1.16 in 1.91 seconds.