D112132322331322331311213231323132312323132322331323331333131313231111   >>    D11213232233132233131121323132313231232313232233132333133313131323111   <<    D112132322331322331311213231323132312323132322331323331333131313231113   >>      D112132322331322331311213231323132312323132322331323331333131313231112   >>