C31232233133313221211113313331333133313331212111133132332131333111   >>    C3123223313331322121111331333133313331333121211113313233213133311   <<    C31232233133313221211113313331333133313331212111133132332131333113   >>      C31232233133313221211113313331333133313331212111133132332131333112   >>