D11213232233132233131121323132313231232313232233132333133313232123221   >>    D1121323223313223313112132313231323123231323223313233313331323212322   <<    D11213232233132233131121323132313231232313232233132333133313232123223   >>      D11213232233132233131121323132313231232313232233132333133313232123222   >>