figure 1391 1268 2252 1980
caption 1358 2012 2309 2208
equation 1409 281 2328 354
equation 312 1695 1232 1791
text 224 223 1228 1646
text 1322 223 2263 260
text 1321 2232 2327 2977
text 1321 368 2325 1237
text 224 1810 1228 2973