D11213232233132233131121323132313231323123232233132333133313232213331323221111   >>    D1121323223313223313112132313231323132312323223313233313331323221333132322111   <<    D11213232233132233131121323132313231323123232233132333133313232213331323221113   >>      D11213232233132233131121323132313231323123232233132333133313232213331323221112   >>