C13223313311212111133133313331323133313331323131133133313123211   >>    C1322331331121211113313331333132313331333132313113313331312321   <<    C13223313311212111133133313331323133313331323131133133313123213   >>      C13223313311212111133133313331323133313331323131133133313123212   >>