C12121212132132313231323222313132313232213231323223313232223321   >>    C1212121213213231323132322231313231323221323132322331323222332   <<    C12121212132132313231323222313132313232213231323223313232223323   >>      C12121212132132313231323222313132313232213231323223313232223322   >>