C13223313311212111133133313331323133313331323131133133313231333133313221123331   >>    C1322331331121211113313331333132313331333132313113313331323133313331322112333   <<    C13223313311212111133133313331323133313331323131133133313231333133313221123333   >>      C13223313311212111133133313331323133313331323131133133313231333133313221123332   >>