C11111333133313232233133313331333132332322121111331333131322131   >>    C1111133313331323223313331333133313233232212111133133313132213   <<    C11111333133313232233133313331333132332322121111331333131322133   >>      C11111333133313232233133313331333132332322121111331333131322132   >>