MAYBE
by ttt2 (version ttt2 1.15)
The rewrite relation of the following TRS is considered.
| Begin(0(x0)) | → | Wait(Right1(x0)) | 
| Begin(0(x0)) | → | Wait(Right2(x0)) | 
| Begin(s(x0)) | → | Wait(Right3(x0)) | 
| Begin(s(x0)) | → | Wait(Right4(x0)) | 
| Right1(f(End(x0))) | → | Left(s(0(End(x0)))) | 
| Right2(d(End(x0))) | → | Left(0(End(x0))) | 
| Right3(d(End(x0))) | → | Left(s(s(d(End(x0))))) | 
| Right4(f(End(x0))) | → | Left(d(f(End(x0)))) | 
| Right1(f(x0)) | → | Af(Right1(x0)) | 
| Right2(f(x0)) | → | Af(Right2(x0)) | 
| Right3(f(x0)) | → | Af(Right3(x0)) | 
| Right4(f(x0)) | → | Af(Right4(x0)) | 
| Right1(0(x0)) | → | A0(Right1(x0)) | 
| Right2(0(x0)) | → | A0(Right2(x0)) | 
| Right3(0(x0)) | → | A0(Right3(x0)) | 
| Right4(0(x0)) | → | A0(Right4(x0)) | 
| Right1(s(x0)) | → | As(Right1(x0)) | 
| Right2(s(x0)) | → | As(Right2(x0)) | 
| Right3(s(x0)) | → | As(Right3(x0)) | 
| Right4(s(x0)) | → | As(Right4(x0)) | 
| Right1(d(x0)) | → | Ad(Right1(x0)) | 
| Right2(d(x0)) | → | Ad(Right2(x0)) | 
| Right3(d(x0)) | → | Ad(Right3(x0)) | 
| Right4(d(x0)) | → | Ad(Right4(x0)) | 
| Af(Left(x0)) | → | Left(f(x0)) | 
| A0(Left(x0)) | → | Left(0(x0)) | 
| As(Left(x0)) | → | Left(s(x0)) | 
| Ad(Left(x0)) | → | Left(d(x0)) | 
| Wait(Left(x0)) | → | Begin(x0) | 
| f(0(x0)) | → | s(0(x0)) | 
| d(0(x0)) | → | 0(x0) | 
| d(s(x0)) | → | s(s(d(x0))) | 
| f(s(x0)) | → | d(f(x0)) | 
| Begin(0(x0)) | → | Wait(Right1(x0)) | 
| Begin(0(x0)) | → | Wait(Right2(x0)) | 
| Begin(s(x0)) | → | Wait(Right3(x0)) | 
| Begin(s(x0)) | → | Wait(Right4(x0)) | 
| Right1(f(End(x0))) | → | Left(s(0(End(x0)))) | 
| Right2(d(End(x0))) | → | Left(0(End(x0))) | 
| Right3(d(End(x0))) | → | Left(s(s(d(End(x0))))) | 
| Right4(f(End(x0))) | → | Left(d(f(End(x0)))) | 
| Right1(f(x0)) | → | Af(Right1(x0)) | 
| Right2(f(x0)) | → | Af(Right2(x0)) | 
| Right3(f(x0)) | → | Af(Right3(x0)) | 
| Right4(f(x0)) | → | Af(Right4(x0)) | 
| Right1(0(x0)) | → | A0(Right1(x0)) | 
| Right2(0(x0)) | → | A0(Right2(x0)) | 
| Right3(0(x0)) | → | A0(Right3(x0)) | 
| Right4(0(x0)) | → | A0(Right4(x0)) | 
| Right1(s(x0)) | → | As(Right1(x0)) | 
| Right2(s(x0)) | → | As(Right2(x0)) | 
| Right3(s(x0)) | → | As(Right3(x0)) | 
| Right4(s(x0)) | → | As(Right4(x0)) | 
| Right1(d(x0)) | → | Ad(Right1(x0)) | 
| Right2(d(x0)) | → | Ad(Right2(x0)) | 
| Right3(d(x0)) | → | Ad(Right3(x0)) | 
| Right4(d(x0)) | → | Ad(Right4(x0)) | 
| Af(Left(x0)) | → | Left(f(x0)) | 
| A0(Left(x0)) | → | Left(0(x0)) | 
| As(Left(x0)) | → | Left(s(x0)) | 
| Ad(Left(x0)) | → | Left(d(x0)) | 
| Wait(Left(x0)) | → | Begin(x0) | 
| f(0(x0)) | → | s(0(x0)) | 
| d(0(x0)) | → | 0(x0) | 
| d(s(x0)) | → | s(s(d(x0))) | 
| f(s(x0)) | → | d(f(x0)) |