D121212121213132322331323323132333131323221323133313231313231322321   >>    D12121212121313232233132332313233313132322132313331323131323132232   <<    D121212121213132322331323323132333131323221323133313231313231322323   >>      D121212121213132322331323323132333131323221323133313231313231322322   >>