The generator matrix

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

generates a code of length 70 over Z8 who´s minimum homogenous weight is 61.

Homogenous weight enumerator: w(x)=1x^0+66x^61+304x^62+532x^63+730x^64+874x^65+1049x^66+1250x^67+1247x^68+1436x^69+1479x^70+1458x^71+1429x^72+1182x^73+1075x^74+804x^75+538x^76+360x^77+218x^78+156x^79+65x^80+40x^81+27x^82+18x^83+15x^84+10x^85+7x^86+6x^87+7x^88+1x^90

The gray image is a code over GF(2) with n=280, k=14 and d=122.
This code was found by Heurico 1.16 in 11 seconds.