text 151 1794 806 1994
text 851 1398 1506 1961
text 151 1517 806 1681
text 851 831 1506 1261
algorithm 850 216 1507 738
text 151 801 806 999
text 151 1284 806 1414
text 151 417 806 516
equation 302 1703 803 1772
equation 172 1031 803 1246
equation 944 1286 1413 1374
equation 172 551 718 764
equation 153 1437 804 1475
equation 355 249 602 403
text 152 190 474 222