figure 350 224 1333 774
caption 297 807 1402 868
equation 497 1589 1401 1742
text 297 922 1402 1043
equation 520 1405 1401 1478
text 297 1135 1401 1231
text 297 1321 1401 1395
equation 423 1242 1401 1311
text 297 1756 1402 1943
text 297 1508 1402 1579
equation 343 1056 1355 1123
equation 679 1951 1401 2027