The generator matrix

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

generates a code of length 26 over F8[X]/(X^2) who´s minimum homogenous weight is 168.

Homogenous weight enumerator: w(x)=1x^0+28x^168+3528x^169+12432x^170+2240x^171+1344x^175+259x^176+21168x^177+41440x^178+4480x^179+28672x^182+9408x^183+147x^184+50568x^185+78736x^186+7616x^187+21x^200+56x^208

The gray image is a linear code over GF(8) with n=208, k=6 and d=168.
This code was found by Heurico 1.16 in 4.05 seconds.