C31232233133313221211113313331333133313331212111133133313112232133121   >>    C3123223313331322121111331333133313331333121211113313331311223213312   <<    C31232233133313221211113313331333133313331212111133133313112232133123   >>      C31232233133313221211113313331333133313331212111133133313112232133122   >>