The generator matrix

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

generates a code of length 63 over Z8 who´s minimum homogenous weight is 56.

Homogenous weight enumerator: w(x)=1x^0+160x^56+312x^57+644x^58+692x^59+674x^60+680x^61+806x^62+668x^63+753x^64+572x^65+536x^66+488x^67+449x^68+296x^69+216x^70+100x^71+83x^72+28x^73+20x^74+4x^75+5x^76+2x^78+3x^80

The gray image is a code over GF(2) with n=252, k=13 and d=112.
This code was found by Heurico 1.16 in 1.97 seconds.