D11213232233132233131121323132313231232313232233132333133313132312323111   >>    D1121323223313223313112132313231323123231323223313233313331313231232311   <<    D11213232233132233131121323132313231232313232233132333133313132312323113   >>      D11213232233132233131121323132313231232313232233132333133313132312323112   >>