D3313222132313113313132313232123313132322331323331313223313232331221   >>    D331322213231311331313231323212331313232233132333131322331323233122   <<    D3313222132313113313132313232123313132322331323331313223313232331223   >>      D3313222132313113313132313232123313132322331323331313223313232331222   >>