D121212121213132322331323323132313331323132333131123313231321221   >>    D12121212121313232233132332313231333132313233313112331323132122   <<    D121212121213132322331323323132313331323132333131123313231321223   >>      D121212121213132322331323323132313331323132333131123313231321222   >>