D223313222313233313132313132313331313232233132322112211232313231221   >>    D22331322231323331313231313231333131323223313232211221123231323122   <<    D223313222313233313132313132313331313232233132322112211232313231223   >>      D223313222313233313132313132313331313232233132322112211232313231222   >>