C31232233133313221211113313331333133313331212111133121111121311211   >>    C3123223313331322121111331333133313331333121211113312111112131121   <<    C31232233133313221211113313331333133313331212111133121111121311213   >>      C31232233133313221211113313331333133313331212111133121111121311212   >>