C22121233131323223313233313231133132333133313113313232213232311   >>    C2212123313132322331323331323113313233313331311331323221323231   <<    C22121233131323223313233313231133132333133313113313232213232313   >>      C22121233131323223313233313231133132333133313113313232213232312   >>