D11221123122332313123231323223313232233133313232313231323132313311221   >>    D1122112312233231312323132322331323223313331323231323132313231331122   <<    D11221123122332313123231323223313232233133313232313231323132313311223   >>      D11221123122332313123231323223313232233133313232313231323132313311222   >>