C2122121212132322331313132313232233132333132312113313231323221323131   >>    C212212121213232233131313231323223313233313231211331323132322132313   <<    C2122121212132322331313132313232233132333132312113313231323221323133   >>      C2122121212132322331313132313232233132333132312113313231323221323132   >>