C31232233133313221211113313331333133313331212111111312113313133121   >>    C3123223313331322121111331333133313331333121211111131211331313312   <<    C31232233133313221211113313331333133313331212111111312113313133123   >>      C31232233133313221211113313331333133313331212111111312113313133122   >>