D2311233132233131323221323131323132333132333131113231323132322121   >>    D231123313223313132322132313132313233313233313111323132313232212   <<    D2311233132233131323221323131323132333132333131113231323132322123   >>      D2311233132233131323221323131323132333132333131113231323132322122   >>