D12121323331322331313232223132313232213231323223313113313133231   >>    D1212132333132233131323222313231323221323132322331311331313323   <<    D12121323331322331313232223132313232213231323223313113313133233   >>      D12121323331322331313232223132313232213231323223313113313133232   >>