D33211132313231333131333132233132213233313113313231333112211232313232221   >>    D3321113231323133313133313223313221323331311331323133311221123231323222   <<    D33211132313231333131333132233132213233313113313231333112211232313232223   >>      D33211132313231333131333132233132213233313113313231333112211232313232222   >>