MAYBE
by ttt2 (version ttt2 1.15)
The rewrite relation of the following TRS is considered.
| begin(end(x0)) | → | rewrite(end(x0)) | 
| begin(a(x0)) | → | rotate(cut(Ca(guess(x0)))) | 
| begin(l(x0)) | → | rotate(cut(Cl(guess(x0)))) | 
| begin(c(x0)) | → | rotate(cut(Cc(guess(x0)))) | 
| begin(r(x0)) | → | rotate(cut(Cr(guess(x0)))) | 
| guess(a(x0)) | → | Ca(guess(x0)) | 
| guess(l(x0)) | → | Cl(guess(x0)) | 
| guess(c(x0)) | → | Cc(guess(x0)) | 
| guess(r(x0)) | → | Cr(guess(x0)) | 
| guess(a(x0)) | → | moveleft(Ba(wait(x0))) | 
| guess(l(x0)) | → | moveleft(Bl(wait(x0))) | 
| guess(c(x0)) | → | moveleft(Bc(wait(x0))) | 
| guess(r(x0)) | → | moveleft(Br(wait(x0))) | 
| guess(end(x0)) | → | finish(end(x0)) | 
| Ca(moveleft(Ba(x0))) | → | moveleft(Ba(Aa(x0))) | 
| Cl(moveleft(Ba(x0))) | → | moveleft(Ba(Al(x0))) | 
| Cc(moveleft(Ba(x0))) | → | moveleft(Ba(Ac(x0))) | 
| Cr(moveleft(Ba(x0))) | → | moveleft(Ba(Ar(x0))) | 
| Ca(moveleft(Bl(x0))) | → | moveleft(Bl(Aa(x0))) | 
| Cl(moveleft(Bl(x0))) | → | moveleft(Bl(Al(x0))) | 
| Cc(moveleft(Bl(x0))) | → | moveleft(Bl(Ac(x0))) | 
| Cr(moveleft(Bl(x0))) | → | moveleft(Bl(Ar(x0))) | 
| Ca(moveleft(Bc(x0))) | → | moveleft(Bc(Aa(x0))) | 
| Cl(moveleft(Bc(x0))) | → | moveleft(Bc(Al(x0))) | 
| Cc(moveleft(Bc(x0))) | → | moveleft(Bc(Ac(x0))) | 
| Cr(moveleft(Bc(x0))) | → | moveleft(Bc(Ar(x0))) | 
| Ca(moveleft(Br(x0))) | → | moveleft(Br(Aa(x0))) | 
| Cl(moveleft(Br(x0))) | → | moveleft(Br(Al(x0))) | 
| Cc(moveleft(Br(x0))) | → | moveleft(Br(Ac(x0))) | 
| Cr(moveleft(Br(x0))) | → | moveleft(Br(Ar(x0))) | 
| cut(moveleft(Ba(x0))) | → | Da(cut(goright(x0))) | 
| cut(moveleft(Bl(x0))) | → | Dl(cut(goright(x0))) | 
| cut(moveleft(Bc(x0))) | → | Dc(cut(goright(x0))) | 
| cut(moveleft(Br(x0))) | → | Dr(cut(goright(x0))) | 
| goright(Aa(x0)) | → | Ca(goright(x0)) | 
| goright(Al(x0)) | → | Cl(goright(x0)) | 
| goright(Ac(x0)) | → | Cc(goright(x0)) | 
| goright(Ar(x0)) | → | Cr(goright(x0)) | 
| goright(wait(a(x0))) | → | moveleft(Ba(wait(x0))) | 
| goright(wait(l(x0))) | → | moveleft(Bl(wait(x0))) | 
| goright(wait(c(x0))) | → | moveleft(Bc(wait(x0))) | 
| goright(wait(r(x0))) | → | moveleft(Br(wait(x0))) | 
| goright(wait(end(x0))) | → | finish(end(x0)) | 
| Ca(finish(x0)) | → | finish(a(x0)) | 
| Cl(finish(x0)) | → | finish(l(x0)) | 
| Cc(finish(x0)) | → | finish(c(x0)) | 
| Cr(finish(x0)) | → | finish(r(x0)) | 
| cut(finish(x0)) | → | finish2(x0) | 
| Da(finish2(x0)) | → | finish2(a(x0)) | 
| Dl(finish2(x0)) | → | finish2(l(x0)) | 
| Dc(finish2(x0)) | → | finish2(c(x0)) | 
| Dr(finish2(x0)) | → | finish2(r(x0)) | 
| rotate(finish2(x0)) | → | rewrite(x0) | 
| rewrite(a(l(x0))) | → | begin(l(a(x0))) | 
| rewrite(a(c(x0))) | → | begin(c(a(x0))) | 
| rewrite(c(a(r(x0)))) | → | begin(r(a(x0))) | 
| rewrite(l(r(a(a(x0))))) | → | begin(a(a(l(c(c(c(r(x0)))))))) | 
| begin(end(x0)) | → | rewrite(end(x0)) | 
| begin(a(x0)) | → | rotate(cut(Ca(guess(x0)))) | 
| begin(l(x0)) | → | rotate(cut(Cl(guess(x0)))) | 
| begin(c(x0)) | → | rotate(cut(Cc(guess(x0)))) | 
| begin(r(x0)) | → | rotate(cut(Cr(guess(x0)))) | 
| guess(a(x0)) | → | Ca(guess(x0)) | 
| guess(l(x0)) | → | Cl(guess(x0)) | 
| guess(c(x0)) | → | Cc(guess(x0)) | 
| guess(r(x0)) | → | Cr(guess(x0)) | 
| guess(a(x0)) | → | moveleft(Ba(wait(x0))) | 
| guess(l(x0)) | → | moveleft(Bl(wait(x0))) | 
| guess(c(x0)) | → | moveleft(Bc(wait(x0))) | 
| guess(r(x0)) | → | moveleft(Br(wait(x0))) | 
| guess(end(x0)) | → | finish(end(x0)) | 
| Ca(moveleft(Ba(x0))) | → | moveleft(Ba(Aa(x0))) | 
| Cl(moveleft(Ba(x0))) | → | moveleft(Ba(Al(x0))) | 
| Cc(moveleft(Ba(x0))) | → | moveleft(Ba(Ac(x0))) | 
| Cr(moveleft(Ba(x0))) | → | moveleft(Ba(Ar(x0))) | 
| Ca(moveleft(Bl(x0))) | → | moveleft(Bl(Aa(x0))) | 
| Cl(moveleft(Bl(x0))) | → | moveleft(Bl(Al(x0))) | 
| Cc(moveleft(Bl(x0))) | → | moveleft(Bl(Ac(x0))) | 
| Cr(moveleft(Bl(x0))) | → | moveleft(Bl(Ar(x0))) | 
| Ca(moveleft(Bc(x0))) | → | moveleft(Bc(Aa(x0))) | 
| Cl(moveleft(Bc(x0))) | → | moveleft(Bc(Al(x0))) | 
| Cc(moveleft(Bc(x0))) | → | moveleft(Bc(Ac(x0))) | 
| Cr(moveleft(Bc(x0))) | → | moveleft(Bc(Ar(x0))) | 
| Ca(moveleft(Br(x0))) | → | moveleft(Br(Aa(x0))) | 
| Cl(moveleft(Br(x0))) | → | moveleft(Br(Al(x0))) | 
| Cc(moveleft(Br(x0))) | → | moveleft(Br(Ac(x0))) | 
| Cr(moveleft(Br(x0))) | → | moveleft(Br(Ar(x0))) | 
| cut(moveleft(Ba(x0))) | → | Da(cut(goright(x0))) | 
| cut(moveleft(Bl(x0))) | → | Dl(cut(goright(x0))) | 
| cut(moveleft(Bc(x0))) | → | Dc(cut(goright(x0))) | 
| cut(moveleft(Br(x0))) | → | Dr(cut(goright(x0))) | 
| goright(Aa(x0)) | → | Ca(goright(x0)) | 
| goright(Al(x0)) | → | Cl(goright(x0)) | 
| goright(Ac(x0)) | → | Cc(goright(x0)) | 
| goright(Ar(x0)) | → | Cr(goright(x0)) | 
| goright(wait(a(x0))) | → | moveleft(Ba(wait(x0))) | 
| goright(wait(l(x0))) | → | moveleft(Bl(wait(x0))) | 
| goright(wait(c(x0))) | → | moveleft(Bc(wait(x0))) | 
| goright(wait(r(x0))) | → | moveleft(Br(wait(x0))) | 
| goright(wait(end(x0))) | → | finish(end(x0)) | 
| Ca(finish(x0)) | → | finish(a(x0)) | 
| Cl(finish(x0)) | → | finish(l(x0)) | 
| Cc(finish(x0)) | → | finish(c(x0)) | 
| Cr(finish(x0)) | → | finish(r(x0)) | 
| cut(finish(x0)) | → | finish2(x0) | 
| Da(finish2(x0)) | → | finish2(a(x0)) | 
| Dl(finish2(x0)) | → | finish2(l(x0)) | 
| Dc(finish2(x0)) | → | finish2(c(x0)) | 
| Dr(finish2(x0)) | → | finish2(r(x0)) | 
| rotate(finish2(x0)) | → | rewrite(x0) | 
| rewrite(a(l(x0))) | → | begin(l(a(x0))) | 
| rewrite(a(c(x0))) | → | begin(c(a(x0))) | 
| rewrite(c(a(r(x0)))) | → | begin(r(a(x0))) | 
| rewrite(l(r(a(a(x0))))) | → | begin(a(a(l(c(c(c(r(x0)))))))) |