D1323113311233131323223313111323132333132332313232233132313221231   >>    D132311331123313132322331311132313233313233231323223313231322123   <<    D1323113311233131323223313111323132333132332313232233132313221233   >>      D1323113311233131323223313111323132333132332313232233132313221232   >>