Blade

 :
  ,  L1   X, X, X,
X, X, , R1, R2, R2, R1.

 :
  ,  Left, Left, Left, Right,
L2, L1, R2, R1. ,    
,  Start   .

 :
  ,  Down, Right, Up, Left, L2,
L1, R2, R1. ,     ,
 Start   ..

 :
  ,  Right, Left, Up, Down, L2, L2,
R2, R2. ,     ,
 Start   .

 