text 851 1773 1508 1994
text 151 645 808 1159
text 851 855 1508 1197
text 851 191 1506 612
text 850 1289 1508 1692
equation 879 637 1477 820
figure 184 190 778 526
text 151 1750 806 1994
equation 1032 1212 1323 1251
equation 1011 1713 1344 1753
equation 179 1192 778 1726
caption 176 560 764 586
header 576 128 1092 155