D112132322331322331311213231323132312323132322331323331333131323231111   >>    D11213232233132233131121323132313231232313232233132333133313132323111   <<    D112132322331322331311213231323132312323132322331323331333131323231113   >>      D112132322331322331311213231323132312323132322331323331333131323231112   >>