D212213231311233131122112313331323221333131333132322112331323233311   >>    D21221323131123313112211231333132322133313133313232211233132323331   <<    D212213231311233131122112313331323221333131333132322112331323233313   >>      D212213231311233131122112313331323221333131333132322112331323233312   >>