D121212121213132322331323323132313331323132333131123313232211211311   >>    D12121212121313232233132332313231333132313233313112331323221121131   <<    D121212121213132322331323323132313331323132333131123313232211211313   >>      D121212121213132322331323323132313331323132333131123313232211211312   >>