D11213232233132233131121323132313231323123232233132333133313231321211111   >>    D1121323223313223313112132313231323132312323223313233313331323132121111   <<    D11213232233132233131121323132313231323123232233132333133313231321211113   >>      D11213232233132233131121323132313231323123232233132333133313231321211112   >>