D121213233313223313132322231323132313331323132233132322331313113231   >>    D12121323331322331313232223132313231333132313223313232233131311323   <<    D121213233313223313132322231323132313331323132233132322331313113233   >>      D121213233313223313132322231323132313331323132233132322331313113232   >>