The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+162x^46+272x^47+735x^48+684x^49+1182x^50+1140x^51+1664x^52+1440x^53+1877x^54+1548x^55+1609x^56+1248x^57+1169x^58+556x^59+495x^60+208x^61+189x^62+68x^63+91x^64+4x^65+29x^66+13x^68

The gray image is a code over GF(2) with n=216, k=14 and d=92.
This code was found by Heurico 1.16 in 7.84 seconds.