The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+446x^62+236x^63+947x^64+688x^65+1590x^66+824x^67+1791x^68+812x^69+1962x^70+960x^71+1720x^72+744x^73+1410x^74+508x^75+821x^76+252x^77+364x^78+92x^79+135x^80+48x^82+4x^83+24x^84+4x^86+1x^88

The gray image is a code over GF(2) with n=280, k=14 and d=124.
This code was found by Heurico 1.11 in 41 seconds.