The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  0  1  1
 0  1  1  a a^6*X+a^2 a^3 a^6*X+a^4 a^5 a^6*X+a^6  0 a^6*X+1  a a^6*X+a^2 a^6*X+a^4 a^6*X+a^6 a^3 a^5  X a^5*X+a^2 X+a^3  X  1 a^4*X+a^4 a^4*X+1
 0  0 a^6*X a*X  X  0 a^3*X a^5*X a^4*X a^2*X a*X a^4*X a^3*X  X a^6*X a^5*X a^2*X a^6*X a^4*X  X a^2*X a*X a^2*X a^3*X

generates a code of length 24 over F8[X]/(X^2) who´s minimum homogenous weight is 155.

Homogenous weight enumerator: w(x)=1x^0+672x^155+1680x^156+224x^160+4032x^163+5600x^164+189x^168+9632x^171+10640x^172+21x^176+7x^184+70x^192

The gray image is a linear code over GF(8) with n=192, k=5 and d=155.
This code was found by Heurico 1.16 in 0.0652 seconds.