text 851 1555 1507 1817
text 151 1770 806 1994
equation 922 1850 1434 2002
equation 178 1485 805 1583
text 151 698 807 1462
text 849 190 1507 1463
equation 997 1488 1505 1530
text 150 1587 807 1651
equation 166 1673 805 1748
algorithm 150 188 806 638
header 380 130 1271 158