D23112331322331313231323223313133112323132322331312312132311321   >>    D2311233132233131323132322331313311232313232233131231213231132   <<    D23112331322331313231323223313133112323132322331312312132311323   >>      D23112331322331313231323223313133112323132322331312312132311322   >>