text 146 155 815 642
text 147 731 815 1130
text 147 1195 815 1958
equation 254 654 813 722
text 885 767 1554 1832
text 885 522 1551 668
equation 198 1135 763 1185
equation 1057 1840 1379 1950
figure 911 156 1533 394
equation 980 677 1453 759
caption 1024 441 1413 471