C22121233131323223313233313231133132333133313113313232211311321   >>    C2212123313132322331323331323113313233313331311331323221131132   <<    C22121233131323223313233313231133132333133313113313232211311323   >>      C22121233131323223313233313231133132333133313113313232211311322   >>