C11111333133313232233133313331333131133132233131323132313232231   >>    C1111133313331323223313331333133313113313223313132313231323223   <<    C11111333133313232233133313331333131133132233131323132313232233   >>      C11111333133313232233133313331333131133132233131323132313232232   >>