D121212121213132322331323323132313331323132333131133132322112121111   >>    D12121212121313232233132332313231333132313233313113313232211212111   <<    D121212121213132322331323323132313331323132333131133132322112121113   >>      D121212121213132322331323323132313331323132333131133132322112121112   >>