The generator matrix

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

generates a code of length 63 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+200x^54+492x^55+982x^56+1324x^57+1624x^58+1896x^59+2521x^60+2768x^61+2892x^62+3236x^63+3023x^64+2992x^65+2377x^66+2148x^67+1698x^68+1024x^69+663x^70+400x^71+278x^72+84x^73+79x^74+20x^75+31x^76+5x^78+8x^80+2x^84

The gray image is a code over GF(2) with n=252, k=15 and d=108.
This code was found by Heurico 1.16 in 32.5 seconds.