D23331313331322132313232233131111221123232233132313231122112121   >>    D2333131333132213231323223313111122112323223313231323112211212   <<    D23331313331322132313232233131111221123232233132313231122112123   >>      D23331313331322132313232233131111221123232233132313231122112122   >>