D231123132333132233131323223313232233131122112323132313132313231221   >>    D23112313233313223313132322331323223313112211232313231313231323122   <<    D231123132333132233131323223313232233131122112323132313132313231223   >>      D231123132333132233131323223313232233131122112323132313132313231222   >>