C31232233133313221211113313331333133313331212111111331311331311121   >>    C3123223313331322121111331333133313331333121211111133131133131112   <<    C31232233133313221211113313331333133313331212111111331311331311123   >>      C31232233133313221211113313331333133313331212111111331311331311122   >>