The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+196x^77+400x^78+636x^79+826x^80+956x^81+1097x^82+1158x^83+1268x^84+1198x^85+1234x^86+1304x^87+1157x^88+1124x^89+1027x^90+734x^91+674x^92+528x^93+303x^94+224x^95+141x^96+88x^97+30x^98+34x^99+26x^100+6x^101+3x^102+4x^103+3x^104+2x^106+2x^107

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 12.7 seconds.