C121212231313232233131323223313231323132313331323132333132322331   >>    C12121223131323223313132322331323132313231333132313233313232233   <<    C121212231313232233131323223313231323132313331323132333132322333   >>      C121212231313232233131323223313231323132313331323132333132322332   >>