D1121323223313223313112132313231323123231323223313233313123233111   >>    D112132322331322331311213231323132312323132322331323331312323311   <<    D1121323223313223313112132313231323123231323223313233313123233113   >>      D1121323223313223313112132313231323123231323223313233313123233112   >>