D121212121213132322331323323132313331323132333132223132313231323221   >>    D12121212121313232233132332313231333132313233313222313231323132322   <<    D121212121213132322331323323132313331323132333132223132313231323223   >>      D121212121213132322331323323132313331323132333132223132313231323222   >>