D121213233313223313132322231323132313231333132233132313232212321   >>    D12121323331322331313232223132313231323133313223313231323221232   <<    D121213233313223313132322231323132313231333132233132313232212323   >>      D121213233313223313132322231323132313231333132233132313232212322   >>