C13223313311212111133133313331323133313331323131133133313222112212311   >>    C1322331331121211113313331333132313331333132313113313331322211221231   <<    C13223313311212111133133313331323133313331323131133133313222112212313   >>      C13223313311212111133133313331323133313331323131133133313222112212312   >>