D1121323223313223313112132313231323123231323223313233313331121132311   >>    D112132322331322331311213231323132312323132322331323331333112113231   <<    D1121323223313223313112132313231323123231323223313233313331121132313   >>      D1121323223313223313112132313231323123231323223313233313331121132312   >>