D13231123313133313133112323223313231323223313331313231323132313331322321   >>    D1323112331313331313311232322331323132322331333131323132313231333132232   <<    D13231123313133313133112323223313231323223313331313231323132313331322323   >>      D13231123313133313133112323223313231323223313331313231323132313331322322   >>