D23112331322331313232233132311132313231323123231323221323132311331   >>    D2311233132233131323223313231113231323132312323132322132313231133   <<    D23112331322331313232233132311132313231323123231323221323132311333   >>      D23112331322331313232233132311132313231323123231323221323132311332   >>