D12121323331322331311132313132313233313233313331313232123313233313232213233311   >>    D1212132333132233131113231313231323331323331333131323212331323331323221323331   <<    D12121323331322331311132313132313233313233313331313232123313233313232213233313   >>      D12121323331322331311132313132313233313233313331313232123313233313232213233312   >>