Where am I?Where do I go?
Expected output (also, see console):
[A->]
[C->][Cb->][Cbb->]
[B->][Where do I go?][Base->][<-Base][<-B]
[<-Cbb][<-Cb][<-C]
[C->][Cb->][Cbb->]
[B->][][Base->]Where am I?[<-Base][<-B]
[<-Cbb][<-Cb][<-C]
[<-A]