The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+6x^54+44x^55+7x^56+2x^59+1x^62+2x^67+1x^70

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 0.0521 seconds.