figure 398 240 1053 1683
caption 216 1733 1229 1863
equation 1728 1346 1919 1424
equation 1665 1589 1985 1676
text 223 1952 1227 3027
text 1323 255 2326 1340
text 1323 1443 2327 1558
text 1320 1706 2329 3027