figure 281 216 1160 458
caption 224 487 1223 552
equation 1402 2415 2306 2557
equation 1497 1809 2154 1883
equation 478 2364 1230 2448
text 224 605 1226 2350
text 1324 238 2328 1787
text 1323 2585 2326 3001
text 1324 1905 2328 2390
text 223 2474 1226 3001