D12121323331311132313232213231232313132313232233132313232233132333131321   >>    D1212132333131113231323221323123231313231323223313231323223313233313132   <<    D12121323331311132313232213231232313132313232233132313232233132333131323   >>      D12121323331311132313232213231232313132313232233132313232233132333131322   >>