D11313232233131133131231323132313233313232211221121111331323223221   >>    D1131323223313113313123132313231323331323221122112111133132322322   <<    D11313232233131133131231323132313233313232211221121111331323223223   >>      D11313232233131133131231323132313233313232211221121111331323223222   >>