C11111333133313232233133313331333132332322121111331333131121131223213231   >>    C1111133313331323223313331333133313233232212111133133313112113122321323   <<    C11111333133313232233133313331333132332322121111331333131121131223213233   >>      C11111333133313232233133313331333132332322121111331333131121131223213232   >>