text 151 190 806 1976
text 851 1151 1506 1414
text 851 1598 1506 1995
text 851 921 1506 1054
equation 852 1438 1525 1574
equation 943 811 1411 898
equation 844 1078 1503 1126
equation 880 588 1474 738
text 851 759 1001 785
text 850 190 1506 555
header 408 130 1250 158