D13231123313133313133112323223313231323223313331313231333131232322121   >>    D1323112331313331313311232322331323132322331333131323133313123232212   <<    D13231123313133313133112323223313231323223313331313231333131232322123   >>      D13231123313133313133112323223313231323223313331313231333131232322122   >>