D1121323223313223313112132313231323123231323223313233313331313111   >>    D112132322331322331311213231323132312323132322331323331333131311   <<    D1121323223313223313112132313231323123231323223313233313331313113   >>      D1121323223313223313112132313231323123231323223313233313331313112   >>