The generator matrix

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

generates a code of length 31 over F8[X]/(X^2) who´s minimum homogenous weight is 200.

Homogenous weight enumerator: w(x)=1x^0+84x^200+560x^203+3192x^204+6048x^205+6160x^206+10080x^207+77x^208+1344x^210+7840x^211+19152x^212+20160x^213+12320x^214+12096x^215+126x^216+9408x^218+27440x^219+45752x^220+38304x^221+20944x^222+20832x^223+133x^224+70x^232+21x^240

The gray image is a linear code over GF(8) with n=248, k=6 and d=200.
This code was found by Heurico 1.16 in 64.2 seconds.