The generator matrix

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

generates a code of length 67 over Z8 who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+90x^63+186x^64+128x^65+187x^66+98x^67+65x^68+62x^69+45x^70+12x^71+29x^72+30x^73+54x^74+16x^75+7x^76+4x^77+1x^78+8x^79+1x^82

The gray image is a code over GF(2) with n=268, k=10 and d=126.
This code was found by Heurico 1.11 in 0.156 seconds.