D121212121213132322331323323132313231333132333131133132322113121   >>    D12121212121313232233132332313231323133313233313113313232211312   <<    D121212121213132322331323323132313231333132333131133132322113123   >>      D121212121213132322331323323132313231333132333131133132322113122   >>