C11111333133313232233133313331333132332313112113313331333131133112123311   >>    C1111133313331323223313331333133313233231311211331333133313113311212331   <<    C11111333133313232233133313331333132332313112113313331333131133112123313   >>      C11111333133313232233133313331333132332313112113313331333131133112123312   >>