The generator matrix

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

generates a code of length 84 over Z8 who´s minimum homogenous weight is 78.

Homogenous weight enumerator: w(x)=1x^0+150x^78+428x^80+380x^82+342x^84+280x^86+232x^88+104x^90+68x^92+32x^94+10x^96+10x^98+5x^100+2x^102+2x^106+1x^112+1x^116

The gray image is a code over GF(2) with n=336, k=11 and d=156.
This code was found by Heurico 1.16 in 0.503 seconds.