D12121323331322331313232223132313231333132313223313232332313231323121   >>    D1212132333132233131323222313231323133313231322331323233231323132312   <<    D12121323331322331313232223132313231333132313223313232332313231323123   >>      D12121323331322331313232223132313231333132313223313232332313231323122   >>