text 151 1864 810 1994
text 150 886 810 1586
text 850 191 1510 1994
text 151 1677 806 1741
equation 180 1765 776 1840
equation 273 1611 683 1648
text 151 731 808 795
algorithm 155 185 812 666
equation 346 824 609 858
header 414 130 1250 155