D1323112331313331322331313223313132322132313231313233313231313231322321   >>    D132311233131333132233131322331313232213231323131323331323131323132232   <<    D1323112331313331322331313223313132322132313231313233313231313231322323   >>      D1323112331313331322331313223313132322132313231313233313231313231322322   >>