text 150 1863 806 1995
text 851 1747 1507 1994
text 851 1005 1506 1413
text 851 761 1505 927
text 851 1495 1506 1659
equation 995 632 1503 741
text 150 191 806 1752
equation 264 1769 803 1846
equation 1025 1680 1503 1727
equation 988 945 1503 985
text 851 191 1506 615
equation 993 1432 1503 1475
header 404 130 1254 158