The generator matrix

 1  0  0  1  1  1  2  1  1  6  1  1  2  6  2  0  1  1  1  1  6  6  1  1  1  4  0  4  1  6  6  1  1  1  1  1  0  1  0  1  4  6  1  1  6  6  1  6  1  1  6  4  1  4  1  2  1  6  1  4  2  0  4  4  1  1  1  1  2  1
 0  1  0  2  1  3  1  4  2  0  1  7  6  1  1  1  6  7  4  1  1  1  2  4  3  1  6  1  7  1  4  3  5  0  2  2  1  3  1  6  1  2  2  6  1  1  1  1  6  3  4  4  7  1  7  6  7  1  5  0  2  1  2  1  2  0  4  6  1  0
 0  0  1  1  3  6  1  2  7  1  1  4  1  3  2  3  0  1  3  0  0  2  2  1  7  1  1  6  2  3  1  2  1  6  7  7  1  1  4  0  7  1  6  2  2  1  4  2  1  6  1  1  0  5  7  1  4  4  6  1  1  3  1  4  3  0  1  0  0  0
 0  0  0  4  0  0  0  4  0  4  0  0  0  4  4  4  4  0  0  4  4  0  4  0  4  0  4  4  0  0  0  4  0  4  0  4  4  0  4  0  0  4  0  0  0  0  4  4  0  4  4  0  4  4  4  4  0  0  4  4  0  4  0  0  4  0  4  4  4  0
 0  0  0  0  4  0  0  0  0  0  0  4  4  4  4  4  0  4  4  4  0  4  4  0  4  0  4  0  0  0  0  0  4  4  4  0  0  0  4  4  4  4  4  0  4  4  4  0  0  4  0  4  4  0  4  0  0  0  0  4  4  4  4  0  4  0  0  0  4  0
 0  0  0  0  0  4  0  0  0  0  0  4  0  0  0  0  0  0  0  4  0  0  4  4  4  4  4  4  0  4  4  0  4  4  4  4  4  0  0  0  4  0  4  0  4  0  0  4  4  0  4  4  4  0  0  0  0  4  4  0  4  4  0  0  4  4  4  4  0  0
 0  0  0  0  0  0  4  0  0  0  0  0  0  4  0  0  4  4  4  4  4  4  0  0  0  4  4  0  0  0  4  4  4  4  0  0  4  4  4  0  4  4  4  4  0  0  0  4  4  4  4  0  0  4  0  4  0  4  0  0  0  0  4  4  0  0  0  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+89x^62+260x^63+333x^64+554x^65+514x^66+752x^67+621x^68+884x^69+692x^70+734x^71+491x^72+606x^73+361x^74+452x^75+280x^76+242x^77+101x^78+92x^79+54x^80+16x^81+28x^82+12x^83+11x^84+2x^85+6x^86+2x^87+1x^88+1x^90

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 2.57 seconds.