text 297 1790 1402 2036
equation 628 1701 1401 1774
text 297 233 1404 593
text 297 1503 1403 1686
text 297 697 1403 979
equation 740 1365 1401 1469
text 297 1044 1402 1350
equation 551 609 1401 681
equation 558 995 1401 1028