C1111133313331323223313331333133313331323131211113313113313232232313331211   >>    C111113331333132322331333133313331333132313121111331311331323223231333121   <<    C1111133313331323223313331333133313331323131211113313113313232232313331213   >>      C1111133313331323223313331333133313331323131211113313113313232232313331212   >>