The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+62x^54+88x^55+93x^56+116x^57+54x^58+24x^59+22x^60+20x^61+4x^62+8x^63+16x^66+2x^68+2x^72

The gray image is a code over GF(2) with n=228, k=9 and d=108.
This code was found by Heurico 1.11 in 0.049 seconds.