Generators: X Y T;
Weights:    1 1 1;
Limiting weight: 6;

Parameters: c_1 c_3 c_4 c_5;

Relations:

[[Y,X],Y] + c_5 Y;

[[Y,X],X] + c_1 [Y, X] + [T,Y] + c_4 Y;

[T,X] + c_3 Y;