D121213233313221323133313221323132333132333131313113313232233131   >>    D12121323331322132313331322132313233313233313131311331323223313   <<    D121213233313221323133313221323132333132333131313113313232233133   >>      D121213233313221323133313221323132333132333131313113313232233132   >>