text 151 1697 805 1995
text 850 690 1508 1170
text 851 1301 1506 1434
text 851 1646 1506 1994
equation 940 575 1503 673
equation 866 1178 1496 1276
text 150 194 814 1621
equation 983 1419 1373 1501
equation 170 1639 803 1674
text 852 1510 1505 1547
equation 1068 1573 1287 1621
text 850 196 1506 572
header 422 122 1237 155