D33211132313231333131333132233132213233313113313231333112211232313231323223311   >>    D3321113231323133313133313223313221323331311331323133311221123231323132322331   <<    D33211132313231333131333132233132213233313113313231333112211232313231323223313   >>      D33211132313231333131333132233132213233313113313231333112211232313231323223312   >>