D12121323331322331311132313132313331313232233132322231323131323221   >>    D1212132333132233131113231313231333131323223313232223132313132322   <<    D12121323331322331311132313132313331313232233132322231323131323223   >>      D12121323331322331311132313132313331313232233132322231323131323222   >>