The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  4  1  1  1  2  2  0  1  4  1  4  0
 0  2  0  0  0  2  6  2  4  4  2  2  0  0  2  6  0  4  6  4  6  2  2  0  4  6  2  0  4  6  4  2  0  6  0  4  6  6  4  4  6  6  0  6  0  4  6  6  4  2  6  2  2  0  0  6  2  4  6  0  0  2  0
 0  0  2  0  2  2  2  0  0  4  2  6  2  6  0  0  4  4  0  2  4  6  6  2  4  0  4  0  6  6  2  2  2  2  4  4  4  4  2  4  6  4  4  6  6  6  2  4  2  2  6  4  4  2  6  2  6  4  0  2  6  4  2
 0  0  0  2  2  0  2  6  2  0  4  6  2  0  2  4  4  6  4  2  2  4  2  0  4  6  0  6  2  6  4  4  4  4  4  6  6  4  6  4  2  2  2  0  2  4  6  4  0  0  4  2  4  6  4  2  4  2  0  2  2  0  4
 0  0  0  0  4  0  4  4  4  4  4  0  0  4  0  4  4  4  0  0  0  4  0  4  0  4  4  0  4  4  0  0  0  0  0  0  0  0  4  4  0  4  4  4  0  0  4  4  4  4  0  4  0  0  4  0  0  4  4  4  4  4  0

generates a code of length 63 over Z8 who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+158x^58+90x^60+294x^62+214x^64+182x^66+14x^68+58x^70+12x^74+1x^112

The gray image is a code over GF(2) with n=252, k=10 and d=116.
This code was found by Heurico 1.16 in 87.5 seconds.