D212213231311233131313331322331313231333132332111133132313331323132322233221   >>    D21221323131123313131333132233131323133313233211113313231333132313232223322   <<    D212213231311233131313331322331313231333132332111133132313331323132322233223   >>      D212213231311233131313331322331313231333132332111133132313331323132322233222   >>