D231123132333132233131323223313231323133313132213231323132322131   >>    D23112313233313223313132322331323132313331313221323132313232213   <<    D231123132333132233131323223313231323133313132213231323132322133   >>      D231123132333132233131323223313231323133313132213231323132322132   >>