C12322112223313133313223313131323132313232233131133132311211311   >>    C1232211222331313331322331313132313231323223313113313231121131   <<    C12322112223313133313223313131323132313232233131133132311211313   >>      C12322112223313133313223313131323132313232233131133132311211312   >>