D212213231311233131313331322331311331313232233132311313231323132313232211331   >>    D21221323131123313131333132233131133131323223313231131323132313231323221133   <<    D212213231311233131313331322331311331313232233132311313231323132313232211333   >>      D212213231311233131313331322331311331313232233132311313231323132313232211332   >>