The generator matrix

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

generates a code of length 54 over Z8 who´s minimum homogenous weight is 46.

Homogenous weight enumerator: w(x)=1x^0+129x^46+48x^47+479x^48+192x^49+862x^50+340x^51+1033x^52+456x^53+1236x^54+428x^55+1058x^56+336x^57+768x^58+204x^59+352x^60+40x^61+105x^62+4x^63+76x^64+34x^66+7x^68+2x^70+2x^72

The gray image is a code over GF(2) with n=216, k=13 and d=92.
This code was found by Heurico 1.16 in 2.36 seconds.