D23112331322331313231323331313132322331323211331323323123231311   >>    D2311233132233131323132333131313232233132321133132332312323131   <<    D23112331322331313231323331313132322331323211331323323123231313   >>      D23112331322331313231323331313132322331323211331323323123231312   >>