D23112313233313223313132322331323132313132313133313232213231322131   >>    D2311231323331322331313232233132313231313231313331323221323132213   <<    D23112313233313223313132322331323132313132313133313232213231322133   >>      D23112313233313223313132322331323132313132313133313232213231322132   >>