The generator matrix

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

generates a code of length 15 over F8[X]/(X^2) who´s minimum homogenous weight is 98.

Homogenous weight enumerator: w(x)=1x^0+168x^98+672x^99+42x^104+1176x^106+2016x^107+21x^112

The gray image is a linear code over GF(8) with n=120, k=4 and d=98.
This code was found by Heurico 1.16 in 0.00105 seconds.