D121212121213132313113313231123313221323132313331311331322331121   >>    D12121212121313231311331323112331322132313231333131133132233112   <<    D121212121213132313113313231123313221323132313331311331322331123   >>      D121212121213132313113313231123313221323132313331311331322331122   >>