D23112313233313223313132322331323132313132313133313232213231311321   >>    D2311231323331322331313232233132313231313231313331323221323131132   <<    D23112313233313223313132322331323132313132313133313232213231311323   >>      D23112313233313223313132322331323132313132313133313232213231311322   >>