C31232233133313221211113313331333133313331212111133131211113311223131121   >>    C3123223313331322121111331333133313331333121211113313121111331122313112   <<    C31232233133313221211113313331333133313331212111133131211113311223131123   >>      C31232233133313221211113313331333133313331212111133131211113311223131122   >>