figure 302 227 1361 606
equation 655 1638 1401 1710
text 297 1711 1402 1883
equation 318 1887 1401 1959
equation 379 1302 1401 1369
text 297 1373 1402 1633
text 297 902 1404 1297
text 297 1966 1402 2038
caption 297 645 1403 896