C22121233131323223313233313231133132333133313113313231323123232311   >>    C2212123313132322331323331323113313233313331311331323132312323231   <<    C22121233131323223313233313231133132333133313113313231323123232313   >>      C22121233131323223313233313231133132333133313113313231323123232312   >>