D212213231311233131313331322331311331313232233132322121211113313231333131322121   >>    D21221323131123313131333132233131133131323223313232212121111331323133313132212   <<    D212213231311233131313331322331311331313232233132322121211113313231333131322123   >>      D212213231311233131313331322331311331313232233132322121211113313231333131322122   >>