text 297 1009 1404 1648
text 297 1742 1406 2035
equation 342 900 1401 989
equation 300 698 1401 813
text 297 815 1401 881
equation 329 1664 1401 1738
text 297 647 1382 680
equation 484 447 1401 630
equation 408 316 1400 356
text 298 234 1401 297
text 298 394 1344 430