C31232233133313221211113313331333133313331212111112111133231121131   >>    C3123223313331322121111331333133313331333121211111211113323112113   <<    C31232233133313221211113313331333133313331212111112111133231121133   >>      C31232233133313221211113313331333133313331212111112111133231121132   >>