The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+176x^61+309x^62+426x^63+323x^64+438x^65+327x^66+440x^67+333x^68+304x^69+205x^70+252x^71+154x^72+130x^73+71x^74+92x^75+46x^76+38x^77+14x^78+2x^79+6x^80+2x^82+4x^83+1x^84+2x^85

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 4.17 seconds.