D212213231311233131313331322331311331313232233132322121211111311   >>    D21221323131123313131333132233131133131323223313232212121111131   <<    D212213231311233131313331322331311331313232233132322121211111313   >>      D212213231311233131313331322331311331313232233132322121211111312   >>