C121212231313232233131323223313233313233313222213231323132311111   >>    C12121223131323223313132322331323331323331322221323132313231111   <<    C121212231313232233131323223313233313233313222213231323132311113   >>      C121212231313232233131323223313233313233313222213231323132311112   >>