The generator matrix

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

generates a code of length 33 over Z7[X]/(X^2) who´s minimum homogenous weight is 183.

Homogenous weight enumerator: w(x)=1x^0+1176x^183+210x^186+630x^187+2520x^188+7212x^189+8442x^190+2520x^193+3150x^194+6720x^195+10896x^196+13104x^197+2058x^198+7560x^200+6510x^201+11340x^202+17154x^203+16380x^204+30x^210+30x^217+6x^231

The gray image is a linear code over GF(7) with n=231, k=6 and d=183.
This code was found by Heurico 1.16 in 2.21 seconds.