text 150 1614 806 1994
text 151 986 806 1145
text 151 1234 806 1498
text 851 1126 1506 1993
equation 941 925 1415 1109
equation 208 860 721 964
equation 206 1520 752 1592
text 152 767 806 838
equation 350 1151 803 1202
text 851 587 1506 903
text 851 363 1506 494
text 151 621 449 652
equation 303 677 654 748
equation 866 517 1503 566
algorithm 151 188 798 566
equation 907 274 1449 325
text 858 196 1504 250
header 420 130 1240 156