The generator matrix

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

generates a code of length 67 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+107x^60+116x^61+353x^62+208x^63+471x^64+268x^65+449x^66+352x^67+380x^68+268x^69+373x^70+208x^71+252x^72+116x^73+73x^74+40x^76+24x^78+22x^80+6x^82+4x^84+2x^86+2x^88+1x^92

The gray image is a code over GF(2) with n=268, k=12 and d=120.
This code was found by Heurico 1.16 in 0.881 seconds.