D23112331322331313232233132311132313233313231323331313132322111   >>    D2311233132233131323223313231113231323331323132333131313232211   <<    D23112331322331313232233132311132313233313231323331313132322113   >>      D23112331322331313232233132311132313233313231323331313132322112   >>