D231123313223313132313232233131331123232233132213231323132323231   >>    D23112331322331313231323223313133112323223313221323132313232323   <<    D231123313223313132313232233131331123232233132213231323132323233   >>      D231123313223313132313232233131331123232233132213231323132323232   >>