The generator matrix

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

generates a code of length 70 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+227x^60+204x^61+726x^62+676x^63+1570x^64+1344x^65+2190x^66+2100x^67+3000x^68+2844x^69+3122x^70+2696x^71+3008x^72+2304x^73+2276x^74+1416x^75+1311x^76+564x^77+596x^78+148x^79+243x^80+32x^81+92x^82+4x^83+46x^84+4x^85+20x^86+2x^88+2x^90

The gray image is a code over GF(2) with n=280, k=15 and d=120.
This code was found by Heurico 1.16 in 41.7 seconds.