D11213232233132233131121323132313231323123232233132333133313231211311   >>    D1121323223313223313112132313231323132312323223313233313331323121131   <<    D11213232233132233131121323132313231323123232233132333133313231211313   >>      D11213232233132233131121323132313231323123232233132333133313231211312   >>