D13231123313133313133112323223313231323223313331313231323112331111   >>    D1323112331313331313311232322331323132322331333131323132311233111   <<    D13231123313133313133112323223313231323223313331313231323112331113   >>      D13231123313133313133112323223313231323223313331313231323112331112   >>