D121211111122233132233131333131121323132313331313331313232213233311   >>    D12121111112223313223313133313112132313231333131333131323221323331   <<    D121211111122233132233131333131121323132313331313331313232213233313   >>      D121211111122233132233131333131121323132313331313331313232213233312   >>