figure 867 1016 1517 1600
text 151 747 808 1995
text 851 1699 1508 1994
text 850 258 1508 965
caption 950 1638 1407 1667
figure 241 206 705 581
caption 250 617 707 645
header 466 124 1190 155
equation 852 180 1486 254