C31211133313132313231323331313132313231313232233132333132322311   >>    C3121113331313231323132333131313231323131323223313233313232231   <<    C31211133313132313231323331313132313231313232233132333132322313   >>      C31211133313132313231323331313132313231313232233132333132322312   >>