The generator matrix

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

generates a code of length 26 over F8[X]/(X^2) who´s minimum homogenous weight is 169.

Homogenous weight enumerator: w(x)=1x^0+336x^169+2352x^170+322x^176+2016x^177+7840x^178+112x^184+4816x^185+14896x^186+7x^192+70x^208

The gray image is a linear code over GF(8) with n=208, k=5 and d=169.
This code was found by Heurico 1.16 in 0.528 seconds.