text 151 762 808 1994
equation 919 1766 1504 1829
equation 991 1382 1504 1438
text 852 1846 1347 1876
equation 856 1646 1547 1710
figure 176 204 782 596
text 852 1725 1348 1749
equation 854 1525 1508 1588
text 852 1605 1316 1630
text 852 1469 1414 1509
text 851 189 1510 1372
equation 852 1891 1446 1989
caption 152 646 805 709
header 626 128 1034 156