figure 436 229 1264 710
text 297 1608 1401 2036
equation 553 1138 1401 1226
equation 549 1528 1401 1595
equation 569 1350 1401 1422
text 297 1241 1397 1335
text 297 1453 1398 1513
text 297 1059 1398 1123
caption 297 758 1400 1005