D331212121133131333131323223313232213233313232211233131323113231   >>    D33121212113313133313132322331323221323331323221123313132311323   <<    D331212121133131333131323223313232213233313232211233131323113233   >>      D331212121133131333131323223313232213233313232211233131323113232   >>