The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+238x^62+92x^63+458x^64+316x^65+715x^66+528x^67+903x^68+644x^69+764x^70+576x^71+762x^72+484x^73+580x^74+320x^75+335x^76+92x^77+198x^78+20x^79+91x^80+29x^82+34x^84+4x^86+7x^88+1x^96

The gray image is a code over GF(2) with n=280, k=13 and d=124.
This code was found by Heurico 1.16 in 61.3 seconds.