text 150 1746 810 1994
text 851 1598 1510 1994
text 150 191 810 1522
text 850 1023 1510 1470
equation 869 1480 1503 1558
equation 158 1535 794 1718
figure 846 186 1506 768
caption 850 774 1509 988
header 580 128 1082 157