D121213233313223313132322231323132313331323132233132333131312111   >>    D12121323331322331313232223132313231333132313223313233313131211   <<    D121213233313223313132322231323132313331323132233132333131312113   >>      D121213233313223313132322231323132313331323132233132333131312112   >>