D121212121213132322331323323132313331323132333131133132313221323121   >>    D12121212121313232233132332313231333132313233313113313231322132312   <<    D121212121213132322331323323132313331323132333131133132313221323123   >>      D121212121213132322331323323132313331323132333131133132313221323122   >>