C31232233133313221211113313113313331333133313113131211113313113313113111   >>    C3123223313331322121111331311331333133313331311313121111331311331311311   <<    C31232233133313221211113313113313331333133313113131211113313113313113113   >>      C31232233133313221211113313113313331333133313113131211113313113313113112   >>