text 147 1190 816 1958
equation 188 1086 813 1179
text 883 789 1553 1958
equation 902 693 1533 785
text 885 504 1552 687
text 146 669 815 1073
caption 147 403 1552 461
algorithm 152 498 818 652
figure 208 174 1492 366