C1212122313132322331313232233132333132333132222132313231323132323221   >>    C121212231313232233131323223313233313233313222213231323132313232322   <<    C1212122313132322331313232233132333132333132222132313231323132323223   >>      C1212122313132322331313232233132333132333132222132313231323132323222   >>