D3313222132313113313132313232123313132322331323331313223313233311311   >>    D331322213231311331313231323212331313232233132333131322331323331131   <<    D3313222132313113313132313232123313132322331323331313223313233311313   >>      D3313222132313113313132313232123313132322331323331313223313233311312   >>