The generator matrix

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

generates a code of length 86 over Z8 who´s minimum homogenous weight is 77.

Homogenous weight enumerator: w(x)=1x^0+152x^77+448x^78+538x^79+826x^80+934x^81+1331x^82+1112x^83+1275x^84+1282x^85+1215x^86+1166x^87+1244x^88+952x^89+1032x^90+746x^91+732x^92+442x^93+360x^94+222x^95+159x^96+102x^97+61x^98+18x^99+17x^100+8x^101+1x^102+6x^103+2x^104

The gray image is a code over GF(2) with n=344, k=14 and d=154.
This code was found by Heurico 1.16 in 12.8 seconds.