D121213233313223313132322231323132313331323132233132313233211131   >>    D12121323331322331313232223132313231333132313223313231323321113   <<    D121213233313223313132322231323132313331323132233132313233211133   >>      D121213233313223313132322231323132313331323132233132313233211132   >>