The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+82x^53+175x^54+278x^55+350x^56+558x^57+839x^58+984x^59+1196x^60+1400x^61+1583x^62+1568x^63+1616x^64+1458x^65+1116x^66+1026x^67+753x^68+496x^69+321x^70+208x^71+156x^72+88x^73+51x^74+30x^75+18x^76+14x^77+9x^78+2x^79+5x^80+2x^82+1x^84

The gray image is a code over GF(2) with n=252, k=14 and d=106.
This code was found by Heurico 1.16 in 97.3 seconds.