text 851 919 1506 1994
text 851 429 1506 527
text 151 701 808 1893
equation 905 761 1450 905
equation 212 1920 742 2003
algorithm 157 188 804 662
equation 914 545 1462 698
equation 845 268 1502 418
text 852 714 1107 745
text 852 190 1507 250
header 416 126 1236 153