D231123132333132233131323223313231323223313211232313231323132322121   >>    D23112313233313223313132322331323132322331321123231323132313232212   <<    D231123132333132233131323223313231323223313211232313231323132322123   >>      D231123132333132233131323223313231323223313211232313231323132322122   >>