text 302 1776 1403 2035
text 297 1221 1403 1322
algorithm 297 224 1387 566
equation 685 1688 1049 1759
equation 693 808 1004 880
equation 620 1167 1078 1205
text 297 620 1403 792
text 297 1428 1401 1671
text 297 895 1402 1151
equation 597 1339 1098 1410