C13223313311212111133133313331333131212111113331333133313133313331333123311   >>    C1322331331121211113313331333133313121211111333133313331313331333133312331   <<    C13223313311212111133133313331333131212111113331333133313133313331333123313   >>      C13223313311212111133133313331333131212111113331333133313133313331333123312   >>