D12121323331322331313232223132313231311221123223313132313232332311   >>    D1212132333132233131323222313231323131122112322331313231323233231   <<    D12121323331322331313232223132313231311221123223313132313232332313   >>      D12121323331322331313232223132313231311221123223313132313232332312   >>