text 297 233 1403 1264
equation 363 1939 1401 2044
text 297 1529 1404 1744
equation 550 1279 1401 1367
equation 398 1431 1401 1514
equation 454 1758 1401 1846
text 297 1862 1401 1924
text 298 1383 1039 1415