C12322112223313133313223313131323132313232233131133132322113231   >>    C1232211222331313331322331313132313231323223313113313232211323   <<    C12322112223313133313223313131323132313232233131133132322113233   >>      C12322112223313133313223313131323132313232233131133132322113232   >>