The generator matrix

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

generates a code of length 54 over Z8 who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+52x^45+376x^46+706x^47+1221x^48+1532x^49+2182x^50+2342x^51+3134x^52+2932x^53+3601x^54+3210x^55+3188x^56+2448x^57+2261x^58+1462x^59+956x^60+496x^61+357x^62+148x^63+106x^64+28x^65+21x^66+4x^67+2x^68+2x^70

The gray image is a code over GF(2) with n=216, k=15 and d=90.
This code was found by Heurico 1.16 in 25 seconds.