C121212231313232233131323223313231323132313331323131323132333311   >>    C12121223131323223313132322331323132313231333132313132313233331   <<    C121212231313232233131323223313231323132313331323131323132333313   >>      C121212231313232233131323223313231323132313331323131323132333312   >>