D12121323331322331313232223132313231323331323232233132313123121   >>    D1212132333132233131323222313231323132333132323223313231312312   <<    D12121323331322331313232223132313231323331323232233132313123123   >>      D12121323331322331313232223132313231323331323232233132313123122   >>