D121212121213132322331323323132313331323132333131133132313233213233311   >>    D12121212121313232233132332313231333132313233313113313231323321323331   <<    D121212121213132322331323323132313331323132333131133132313233213233313   >>      D121212121213132322331323323132313331323132333131133132313233213233312   >>