text 151 1548 812 1981
text 851 1180 1506 1995
figure 851 885 1165 1157
equation 415 1494 803 1540
text 851 766 1505 864
algorithm 851 505 1506 747
abstract 206 510 751 1325
title 151 238 1512 291
text 1192 866 1508 1179
text 151 1374 806 1483
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