D1323112331313331313223313231213231323331323331322331323222313231121   >>    D132311233131333131322331323121323132333132333132233132322231323112   <<    D1323112331313331313223313231213231323331323331322331323222313231123   >>      D1323112331313331313223313231213231323331323331322331323222313231122   >>