The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  0  1  X  1  1  1  1  1
 0  1  1  3 5X+2  6 5X+4  5  0 5X+1  3 5X+2  6 5X+4  5  1  5 5X+2  1 X+5  1 5X+1 4X+2 X+5 5X+5  0
 0  0 5X  0 5X  X 5X  X 6X 2X  X 6X  0  0 6X 2X 3X 4X 4X 4X 2X 6X 2X  X 6X  0
 0  0  0  X 4X 4X 3X 6X  0 6X  X 6X 5X 4X 3X 3X 6X 3X 4X 5X  0  X 3X  0 2X  0

generates a code of length 26 over Z7[X]/(X^2) who´s minimum homogenous weight is 133.

Homogenous weight enumerator: w(x)=1x^0+60x^133+336x^138+336x^139+414x^140+756x^141+882x^144+2520x^145+2520x^146+480x^147+2142x^148+10584x^151+6300x^152+10416x^153+342x^154+5796x^155+31752x^158+19656x^159+15540x^160+396x^161+5712x^162+384x^168+264x^175+60x^182

The gray image is a linear code over GF(7) with n=182, k=6 and d=133.
This code was found by Heurico 1.16 in 1.89 seconds.