D121212121213132322331323323132313331323132333131133131323222311   >>    D12121212121313232233132332313231333132313233313113313132322231   <<    D121212121213132322331323323132313331323132333131133131323222313   >>      D121212121213132322331323323132313331323132333131133131323222312   >>