D33211132313231333131333132233132213233313113313231323232211331   >>    D3321113231323133313133313223313221323331311331323132323221133   <<    D33211132313231333131333132233132213233313113313231323232211333   >>      D33211132313231333131333132233132213233313113313231323232211332   >>