The generator matrix

 1  0  1  1  1  6  1  1  4  1  2  1  1  1  0  1  2  1  2  1  0  1  1  1  1  4  1  1  6  1  1  1  1  0  1  2  0  1  6  1  2  0  1  6  2  1  1  4  1  2  2  1  1  2  2
 0  1  1  6  3  1  0  3  1  2  1  5  7  6  1  0  1  5  1  4  1  6  3  5  0  1  6  2  1  3  2  2  2  1  7  1  1  7  1  3  6  4  7  1  1  7  1  1  4  4  0  3  1  6  6
 0  0  2  0  6  0  6  4  6  2  6  4  2  4  4  6  6  0  0  0  2  6  4  2  4  2  4  6  4  0  6  6  0  0  6  2  0  2  4  4  6  2  0  2  2  6  6  4  2  6  2  0  6  2  0
 0  0  0  4  0  0  0  4  4  0  0  0  0  4  4  0  4  0  4  0  0  0  4  0  0  4  0  4  4  4  4  0  4  4  4  0  4  0  0  0  4  4  0  4  0  4  0  4  0  0  4  4  4  0  0
 0  0  0  0  4  0  0  0  0  0  4  4  0  4  0  4  4  0  0  4  0  4  4  4  4  0  0  4  0  0  4  0  4  4  0  0  4  4  0  0  4  0  0  0  4  4  0  4  0  4  4  4  0  4  0
 0  0  0  0  0  4  0  0  0  4  0  4  0  0  4  0  4  4  0  0  4  4  0  0  4  4  0  0  4  0  4  0  4  4  0  4  0  4  4  0  4  4  0  4  4  0  0  0  0  4  0  4  4  4  4
 0  0  0  0  0  0  4  0  4  0  0  0  4  0  0  4  0  4  0  0  4  0  4  4  4  4  4  0  4  4  0  0  4  0  4  0  4  4  4  0  4  4  4  4  4  4  4  0  0  0  4  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+103x^48+96x^49+316x^50+224x^51+480x^52+304x^53+476x^54+304x^55+414x^56+288x^57+347x^58+224x^59+232x^60+80x^61+107x^62+16x^63+37x^64+29x^66+11x^68+5x^70+1x^72+1x^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 0.655 seconds.