figure 407 235 1283 447
text 297 1412 1403 1708
text 297 1166 1401 1302
text 297 676 1404 1059
equation 464 1327 1402 1393
equation 507 587 1402 656
equation 481 1736 1402 1814
equation 315 1906 1402 2029
equation 338 1084 1361 1145
text 297 1845 930 1881
caption 352 477 1345 507