C31232233133313221211113313331333133313331212111112111133121333131221   >>    C3123223313331322121111331333133313331333121211111211113312133313122   <<    C31232233133313221211113313331333133313331212111112111133121333131223   >>      C31232233133313221211113313331333133313331212111112111133121333131222   >>