The generator matrix

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

generates a code of length 63 over Z8 who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+84x^53+277x^54+474x^55+751x^56+1172x^57+1666x^58+2026x^59+2423x^60+2784x^61+3048x^62+3334x^63+3137x^64+2882x^65+2620x^66+1930x^67+1412x^68+1094x^69+695x^70+448x^71+237x^72+102x^73+72x^74+44x^75+37x^76+6x^77+4x^78+2x^80+4x^81+2x^82

The gray image is a code over GF(2) with n=252, k=15 and d=106.
This code was found by Heurico 1.16 in 35.7 seconds.