D1323112331313331313311232322331323132322331333131323132313232112321   >>    D132311233131333131331123232233132313232233133313132313231323211232   <<    D1323112331313331313311232322331323132322331333131323132313232112323   >>      D1323112331313331313311232322331323132322331333131323132313232112322   >>