D12121323331311132313232213231232313132313232233132313232233132322133111   >>    D1212132333131113231323221323123231313231323223313231323223313232213311   <<    D12121323331311132313232213231232313132313232233132313232233132322133113   >>      D12121323331311132313232213231232313132313232233132313232233132322133112   >>