D11213232233132233131121323132313231232313232233132333133313233212112111   >>    D1121323223313223313112132313231323123231323223313233313331323321211211   <<    D11213232233132233131121323132313231232313232233132333133313233212112113   >>      D11213232233132233131121323132313231232313232233132333133313233212112112   >>