C31232233133313221211113313331333133313331212111112111133321121   >>    C3123223313331322121111331333133313331333121211111211113332112   <<    C31232233133313221211113313331333133313331212111112111133321123   >>      C31232233133313221211113313331333133313331212111112111133321122   >>