D121212121213132322331323323132313331323132333131133132322132312121   >>    D12121212121313232233132332313231333132313233313113313232213231212   <<    D121212121213132322331323323132313331323132333131133132322132312123   >>      D121212121213132322331323323132313331323132333131133132322132312122   >>