C31232233133313221211113313331333133313331212111133133313331311211132311   >>    C3123223313331322121111331333133313331333121211113313331333131121113231   <<    C31232233133313221211113313331333133313331212111133133313331311211132313   >>      C31232233133313221211113313331333133313331212111133133313331311211132312   >>