The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1  1  1  1  1  2  1  1  1  1  1  4  1  1  4  1  1  1  1  1  1  1  2  2  1  1  1  2  1  1  2  0  1  1  1  1  0  1  1  1  2
 0  2  0  0  0  4  0  4  0  6  6  2  6  2  2  6  6  2  4  2  0  6  4  4  2  6  0  2  4  4  4  2  4  4  6  4  6  2  2  4  4  4  2  6  6  6  4  0  4  4  2  6  0  2  4  0  0  6  4  6  0  0  0  4  4  2  6  2  6  2  6  0  0  0  6  2  4  4  2  0  4  0  6  4  6
 0  0  2  0  0  4  2  2  2  2  6  2  0  6  4  0  6  0  6  2  4  0  2  6  6  4  0  0  4  6  0  6  6  0  6  4  4  6  2  6  2  6  2  0  0  0  4  6  4  2  6  4  2  6  6  2  0  2  0  0  4  4  0  0  6  4  6  2  0  4  2  6  6  2  6  2  2  0  4  4  0  4  4  0  4
 0  0  0  2  0  2  2  6  4  0  2  0  6  2  2  4  0  4  2  4  6  6  0  4  2  6  6  4  4  2  0  2  0  2  6  0  2  4  2  4  6  6  2  0  0  2  6  2  4  2  0  0  0  0  0  4  2  0  2  2  4  6  4  0  6  4  0  4  4  4  2  4  4  4  6  0  0  6  2  6  2  2  0  4  6
 0  0  0  0  2  2  4  2  6  2  2  4  6  4  4  2  0  6  4  2  6  0  6  0  2  2  0  4  0  2  6  0  4  6  6  6  0  6  0  6  6  0  6  0  6  6  0  4  4  6  0  0  6  6  0  2  6  6  6  2  6  4  2  4  6  2  6  2  6  4  6  0  4  4  2  4  2  0  2  2  0  2  4  2  6

generates a code of length 85 over Z8 who´s minimum homogenous weight is 78.

Homogenous weight enumerator: w(x)=1x^0+168x^78+8x^79+127x^80+60x^81+188x^82+260x^83+59x^84+376x^85+146x^86+240x^87+74x^88+76x^89+100x^90+4x^91+36x^92+68x^94+22x^96+24x^98+10x^102+1x^148

The gray image is a code over GF(2) with n=340, k=11 and d=156.
This code was found by Heurico 1.16 in 7.09 seconds.