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

generates a code of length 19 over F8[X]/(X^2) who´s minimum homogenous weight is 120.

Homogenous weight enumerator: w(x)=1x^0+413x^120+672x^121+2240x^126+2233x^128+2240x^129+15680x^134+4900x^136+4256x^137+70x^144+63x^152

The gray image is a linear code over GF(8) with n=152, k=5 and d=120.
This code was found by Heurico 1.16 in 0.0561 seconds.