D112132322331322331311213231323132312323132322331323331333132322121323111   >>    D11213232233132233131121323132313231232313232233132333133313232212132311   <<    D112132322331322331311213231323132312323132322331323331333132322121323113   >>      D112132322331322331311213231323132312323132322331323331333132322121323112   >>