C31232233133313221211113313331333133313331212111113331311123121   >>    C3123223313331322121111331333133313331333121211111333131112312   <<    C31232233133313221211113313331333133313331212111113331311123123   >>      C31232233133313221211113313331333133313331212111113331311123122   >>