C1111233131211111211113313331333133313331312331333132233132332322331   >>    C111123313121111121111331333133313331333131233133313223313233232233   <<    C1111233131211111211113313331333133313331312331333132233132332322333   >>      C1111233131211111211113313331333133313331312331333132233132332322332   >>