The generator matrix

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

generates a code of length 11 over F8[X]/(X^2) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+224x^48+1302x^56+2947x^64+9212x^72+229376x^77+11452x^80+7630x^88

The gray image is a linear code over GF(8) with n=88, k=6 and d=48.
This code was found by Heurico 1.16 in 2.53 seconds.