C1212122313132322331313232233132313231311112231323132313231313233311   >>    C121212231313232233131323223313231323131111223132313231323131323331   <<    C1212122313132322331313232233132313231311112231323132313231313233313   >>      C1212122313132322331313232233132313231311112231323132313231313233312   >>