The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+90x^46+342x^47+626x^48+866x^49+1053x^50+1486x^51+1337x^52+1718x^53+1541x^54+1754x^55+1370x^56+1330x^57+932x^58+790x^59+525x^60+324x^61+143x^62+56x^63+45x^64+32x^65+17x^66+4x^67+2x^69

The gray image is a code over GF(2) with n=216, k=14 and d=92.
This code was found by Heurico 1.11 in 3.23 seconds.