D12121323331322331311132313132313233313233313331313232132323331   >>    D1212132333132233131113231313231323331323331333131323213232333   <<    D12121323331322331311132313132313233313233313331313232132323333   >>      D12121323331322331311132313132313233313233313331313232132323332   >>