D231123313223313132313232233131331123232233132213231323132312111   >>    D23112331322331313231323223313133112323223313221323132313231211   <<    D231123313223313132313232233131331123232233132213231323132312113   >>      D231123313223313132313232233131331123232233132213231323132312112   >>