The generator matrix

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

generates a code of length 84 over Z8 who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+254x^74+64x^75+522x^76+276x^77+868x^78+612x^79+1230x^80+912x^81+1552x^82+1296x^83+1604x^84+1024x^85+1556x^86+1056x^87+1144x^88+544x^89+692x^90+288x^91+391x^92+60x^93+190x^94+12x^95+135x^96+62x^98+26x^100+10x^102+1x^108+2x^112

The gray image is a code over GF(2) with n=336, k=14 and d=148.
This code was found by Heurico 1.16 in 87 seconds.