text 151 1897 806 1994
text 851 757 1506 1796
text 150 1040 806 1283
equation 199 1496 754 1672
text 151 752 806 855
equation 222 1301 803 1384
text 151 1690 805 1822
text 151 1415 806 1477
equation 150 871 836 1020
figure 161 190 358 476
equation 852 1844 1517 1998
equation 297 1838 803 1877
figure 506 240 1512 499
caption 162 487 439 700
caption 477 559 1495 650
header 404 128 1258 158