D12121323331322331313232223132313231323133313223313231322132313231231   >>    D1212132333132233131323222313231323132313331322331323132213231323123   <<    D12121323331322331313232223132313231323133313223313231322132313231233   >>      D12121323331322331313232223132313231323133313223313231322132313231232   >>