C1123112323131323132313132313232233132313111333132233132322132311   >>    C112311232313132313231313231323223313231311133313223313232213231   <<    C1123112323131323132313132313232233132313111333132233132322132313   >>      C1123112323131323132313132313232233132313111333132233132322132312   >>