text 147 505 816 1083
text 147 1192 814 1294
text 146 1686 815 1881
equation 244 1097 814 1179
equation 206 1569 814 1675
text 881 156 1553 1573
equation 295 1309 814 1377
equation 323 1895 814 1963
text 148 1391 816 1558
figure 230 147 727 392
equation 923 1812 1530 1953
text 912 1621 1549 1684
equation 982 1694 1479 1762
equation 929 1581 1532 1614
text 913 1772 1503 1805
caption 232 418 730 450