The generator matrix

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

generates a code of length 55 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+4x^54+40x^55+7x^56+8x^57+2x^58+1x^66+1x^74

The gray image is a code over GF(2) with n=220, k=6 and d=108.
This code was found by Heurico 1.16 in 0.0258 seconds.