D23112313233313223313132322331323223313113313113132333132313132313232213231   >>    D2311231323331322331313232233132322331311331311313233313231313231323221323   <<    D23112313233313223313132322331323223313113313113132333132313132313232213233   >>      D23112313233313223313132322331323223313113313113132333132313132313232213232   >>