D23312331311331311331322233231323132313232233132313221123313233313231333131121   >>    D2331233131133131133132223323132313231323223313231322112331323331323133313112   <<    D23312331311331311331322233231323132313232233132313221123313233313231333131123   >>      D23312331311331311331322233231323132313232233132313221123313233313231333131122   >>