C11111333133313232233133313331333132313331323321313331333131213231323331   >>    C1111133313331323223313331333133313231333132332131333133313121323132333   <<    C11111333133313232233133313331333132313331323321313331333131213231323333   >>      C11111333133313232233133313331333132313331323321313331333131213231323332   >>