C31211133313132313231323331313132313231313232233132333132333132322331121211   >>    C3121113331313231323132333131313231323131323223313233313233313232233112121   <<    C31211133313132313231323331313132313231313232233132333132333132322331121213   >>      C31211133313132313231323331313132313231313232233132333132333132322331121212   >>