text 151 1379 808 1995
text 152 1086 806 1250
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text 852 1411 1402 1444
text 851 1579 1508 2001
equation 165 1004 791 1058
equation 983 279 1373 361
equation 289 1278 667 1351
equation 852 1469 1504 1551
text 851 389 1506 1323
text 151 191 808 482
equation 902 1347 1455 1387
equation 153 510 631 645
text 851 190 1506 255
header 422 130 1238 162