The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+41x^48+134x^49+136x^50+268x^51+182x^52+266x^53+107x^54+258x^55+131x^56+226x^57+88x^58+84x^59+56x^60+22x^61+15x^62+10x^63+5x^64+8x^65+5x^66+4x^67+1x^82

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 0.188 seconds.