C13223313311212111133133313331333132333133313331323133112313231   >>    C1322331331121211113313331333133313233313331333132313311231323   <<    C13223313311212111133133313331333132333133313331323133112313233   >>      C13223313311212111133133313331333132333133313331323133112313232   >>