The generator matrix

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

generates a code of length 25 over F8[X]/(X^2) who´s minimum homogenous weight is 152.

Homogenous weight enumerator: w(x)=1x^0+266x^152+280x^154+224x^155+756x^160+1344x^161+5880x^162+2016x^163+721x^168+18816x^169+41160x^170+9632x^171+728x^176+65856x^177+96040x^178+16800x^179+840x^184+651x^192+133x^200

The gray image is a linear code over GF(8) with n=200, k=6 and d=152.
This code was found by Heurico 1.16 in 4.95 seconds.