D121212121213132322331323323132313331323132333131133132333132312321   >>    D12121212121313232233132332313231333132313233313113313233313231232   <<    D121212121213132322331323323132313331323132333131133132333132312323   >>      D121212121213132322331323323132313331323132333131133132333132312322   >>