D121213233313223313132322231323132313112211232233131323133112131   >>    D12121323331322331313232223132313231311221123223313132313311213   <<    D121213233313223313132322231323132313112211232233131323133112133   >>      D121213233313223313132322231323132313112211232233131323133112132   >>