The generator matrix

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

generates a code of length 30 over F8[X]/(X^2) who´s minimum homogenous weight is 198.

Homogenous weight enumerator: w(x)=1x^0+2352x^198+1120x^199+98x^200+7840x^206+2240x^207+343x^208+14896x^214+3808x^215+7x^224+14x^232+49x^240

The gray image is a linear code over GF(8) with n=240, k=5 and d=198.
This code was found by Heurico 1.16 in 0.095 seconds.