The generator matrix

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

generates a code of length 70 over Z8 who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+35x^62+108x^63+190x^64+268x^65+295x^66+382x^67+329x^68+296x^69+384x^70+324x^71+354x^72+330x^73+253x^74+184x^75+133x^76+108x^77+35x^78+20x^79+8x^80+16x^81+16x^82+2x^83+4x^84+4x^85+5x^86+4x^87+3x^88+2x^89+2x^92+1x^94

The gray image is a code over GF(2) with n=280, k=12 and d=124.
This code was found by Heurico 1.16 in 0.901 seconds.