C31211133313132313231323331313132313231313232233132333132333132322313231111   >>    C3121113331313231323132333131313231323131323223313233313233313232231323111   <<    C31211133313132313231323331313132313231313232233132333132333132322313231113   >>      C31211133313132313231323331313132313231313232233132333132333132322313231112   >>