The generator matrix

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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+62x^54+136x^55+88x^56+60x^57+48x^58+8x^59+24x^60+28x^61+21x^62+24x^63+5x^64+4x^66+2x^68+1x^70

The gray image is a code over GF(2) with n=228, k=9 and d=108.
This code was found by Heurico 1.16 in 0.0385 seconds.