text 851 1691 1506 1994
text 851 1199 1511 1525
text 151 194 810 1995
equation 866 1542 1420 1661
equation 866 979 1507 1169
figure 932 183 1422 557
caption 851 593 1506 834
text 856 886 1498 945
header 412 128 1244 158