The generator matrix

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

generates a code of length 54 over Z8 who´s minimum homogenous weight is 44.

Homogenous weight enumerator: w(x)=1x^0+39x^44+148x^45+375x^46+714x^47+989x^48+1492x^49+1915x^50+2530x^51+3022x^52+3306x^53+3535x^54+3326x^55+3344x^56+2610x^57+1940x^58+1478x^59+781x^60+530x^61+304x^62+192x^63+100x^64+34x^65+24x^66+16x^67+10x^68+8x^69+2x^70+2x^72+1x^74

The gray image is a code over GF(2) with n=216, k=15 and d=88.
This code was found by Heurico 1.16 in 28.9 seconds.