D1212132333132233131323222313231323132313331322331323131323132313231321   >>    D121213233313223313132322231323132313231333132233132313132313231323132   <<    D1212132333132233131323222313231323132313331322331323131323132313231323   >>      D1212132333132233131323222313231323132313331322331323131323132313231322   >>