D1121323223313223313112132313231323132312323223313233313331323113122311   >>    D112132322331322331311213231323132313231232322331323331333132311312231   <<    D1121323223313223313112132313231323132312323223313233313331323113122313   >>      D1121323223313223313112132313231323132312323223313233313331323113122312   >>