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

generates a code of length 54 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+247x^48+24x^49+46x^50+168x^51+242x^52+336x^53+42x^54+304x^55+169x^56+152x^57+34x^58+40x^59+184x^60+6x^62+46x^64+6x^68+1x^88

The gray image is a code over GF(2) with n=216, k=11 and d=96.
This code was found by Heurico 1.16 in 14.1 seconds.