text 297 347 1402 478
equation 457 1979 1241 2044
equation 591 492 1109 554
equation 396 1832 1303 1901
algorithm 297 931 1402 1630
text 298 1908 1402 1972
equation 321 271 1376 337
text 297 1639 1401 1824
text 298 234 756 264
text 298 582 1402 908