C13223313311212111133133313331333132333133313331333133323223211331121231   >>    C1322331331121211113313331333133313233313331333133313332322321133112123   <<    C13223313311212111133133313331333132333133313331333133323223211331121233   >>      C13223313311212111133133313331333132333133313331333133323223211331121232   >>