D1212132333132233131323222313231323132313331322331323132213231323131121   >>    D121213233313223313132322231323132313231333132233132313221323132313112   <<    D1212132333132233131323222313231323132313331322331323132213231323131123   >>      D1212132333132233131323222313231323132313331322331323132213231323131122   >>