D231123313223313132313232233131331121212111113231323331323121121   >>    D23112331322331313231323223313133112121211111323132333132312112   <<    D231123313223313132313232233131331121212111113231323331323121123   >>      D231123313223313132313232233131331121212111113231323331323121122   >>