C13223313311212111133133313331323133313233313121111133313232313131   >>    C1322331331121211113313331333132313331323331312111113331323231313   <<    C13223313311212111133133313331323133313233313121111133313232313133   >>      C13223313311212111133133313331323133313233313121111133313232313132   >>