C13223313311212111133133313331333132333133112111133132212111112113313112121   >>    C1322331331121211113313331333133313233313311211113313221211111211331311212   <<    C13223313311212111133133313331333132333133112111133132212111112113313112123   >>      C13223313311212111133133313331333132333133112111133132212111112113313112122   >>