C11111333133313232233133313331333133313331312111112111112132332321   >>    C1111133313331323223313331333133313331333131211111211111213233232   <<    C11111333133313232233133313331333133313331312111112111112132332323   >>      C11111333133313232233133313331333133313331312111112111112132332322   >>