D1212132333132233131323222313231323133313231322331313233313231333132321   >>    D121213233313223313132322231323132313331323132233131323331323133313232   <<    D1212132333132233131323222313231323133313231322331313233313231333132323   >>      D1212132333132233131323222313231323133313231322331313233313231333132322   >>