D231123132333132233131323223313231323132322121323132313232233231   >>    D23112313233313223313132322331323132313232212132313231323223323   <<    D231123132333132233131323223313231323132322121323132313232233233   >>      D231123132333132233131323223313231323132322121323132313232233232   >>