text 297 1774 1402 2036
text 298 1629 1401 1691
equation 429 1709 1401 1757
text 297 1534 1237 1568
text 297 1262 1402 1472
equation 563 1218 1401 1251
text 297 233 1404 1203
equation 565 1487 1078 1521
equation 634 1581 1401 1615