D121213233313132233132333131313132313232233131313233313231323331311331322121   >>    D12121323331313223313233313131313231323223313131323331323132333131133132212   <<    D121213233313132233132333131313132313232233131313233313231323331311331322123   >>      D121213233313132233132333131313132313232233131313233313231323331311331322122   >>