The generator matrix

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

generates a code of length 55 over Z8 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+114x^49+234x^50+376x^51+462x^52+388x^53+434x^54+394x^55+349x^56+362x^57+267x^58+222x^59+184x^60+132x^61+69x^62+38x^63+28x^64+8x^65+16x^66+10x^67+4x^69+3x^70+1x^74

The gray image is a code over GF(2) with n=220, k=12 and d=98.
This code was found by Heurico 1.16 in 0.542 seconds.