D1212132333132233131323222313231323131122112322331323331331121211111   >>    D121213233313223313132322231323132313112211232233132333133112121111   <<    D1212132333132233131323222313231323131122112322331323331331121211113   >>      D1212132333132233131323222313231323131122112322331323331331121211112   >>