The generator matrix

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

generates a code of length 67 over Z8 who´s minimum homogenous weight is 61.

Homogenous weight enumerator: w(x)=1x^0+220x^61+150x^62+684x^63+37x^64+712x^65+140x^66+656x^67+516x^69+90x^70+388x^71+20x^72+240x^73+38x^74+120x^75+40x^77+24x^78+8x^79+6x^80+6x^82

The gray image is a code over GF(2) with n=268, k=12 and d=122.
This code was found by Heurico 1.16 in 25.4 seconds.