text 150 191 808 1985
text 851 1688 1507 1787
text 850 1934 1506 1994
text 851 192 1508 1233
equation 1012 1803 1345 1891
equation 1085 1405 1505 1438
text 847 1280 1505 1385
text 847 1536 1505 1641
equation 1001 1642 1356 1675
equation 999 1234 1356 1267
equation 999 1489 1505 1524
text 851 1459 899 1484
header 594 128 1060 153