D2311233132233131323132322331313311232313232233131232313331322112321   >>    D231123313223313132313232233131331123231323223313123231333132211232   <<    D2311233132233131323132322331313311232313232233131232313331322112323   >>      D2311233132233131323132322331313311232313232233131232313331322112322   >>