D1121323223313223313112132313231323132312323223313233313331313232223221   >>    D112132322331322331311213231323132313231232322331323331333131323222322   <<    D1121323223313223313112132313231323132312323223313233313331313232223223   >>      D1121323223313223313112132313231323132312323223313233313331313232223222   >>