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  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  4
 0  2  0  2  0  0  6  6  0  0  2  6  0  0  6  2  0  2  0  2  4  6  4  6  4  2  4  2  0  2  4  6  4  2  4  2  6  4  0  6  0  4  6  6  6  4  2  4  0  4  6  2  4  6  2
 0  0  2  2  0  6  6  0  0  6  2  0  0  2  6  0  4  6  6  4  4  6  6  4  0  0  6  6  4  2  6  4  0  2  2  4  2  2  4  4  6  0  2  6  4  4  4  2  4  4  0  6  2  2  6
 0  0  0  4  0  0  4  0  4  4  0  4  4  4  0  4  4  4  0  0  0  0  4  4  4  4  4  4  0  0  0  0  0  4  4  0  0  0  4  0  4  0  0  4  4  4  4  4  0  4  0  0  0  4  4
 0  0  0  0  4  4  4  4  4  4  0  4  0  0  4  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  4  4  4  4  0  4  0  0  0  0  0  4  0  0  0  0  4  0  0  4  0  4

generates a code of length 55 over Z8 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+55x^52+136x^54+128x^55+143x^56+40x^58+8x^60+1x^108

The gray image is a code over GF(2) with n=220, k=9 and d=104.
This code was found by Heurico 1.16 in 0.0918 seconds.