C12322112223313133313223313131323132313232233131133131323132311   >>    C1232211222331313331322331313132313231323223313113313132313231   <<    C12322112223313133313223313131323132313232233131133131323132313   >>      C12322112223313133313223313131323132313232233131133131323132312   >>