figure 666 410 1003 597
caption 368 606 1243 714
equation 512 1748 1247 1947
equation 477 1046 1246 1365
equation 480 2195 1250 2435
text 374 794 1240 1011
text 1324 408 2200 2715
text 379 1985 1247 2157
text 377 1401 1243 1711
text 381 2477 1251 2711