C13332313311211113313331333133313133313232233132313331333133313221232311   >>    C1333231331121111331333133313331313331323223313231333133313331322123231   <<    C13332313311211113313331333133313133313232233132313331333133313221232313   >>      C13332313311211113313331333133313133313232233132313331333133313221232312   >>