C11111333133313232233133313331333132332322121111331333131133231231   >>    C1111133313331323223313331333133313233232212111133133313113323123   <<    C11111333133313232233133313331333132332322121111331333131133231233   >>      C11111333133313232233133313331333132332322121111331333131133231232   >>