text 151 1806 807 1989
text 151 192 808 1080
text 151 1165 806 1395
equation 262 1088 805 1151
equation 952 459 1505 530
equation 177 1730 805 1798
text 851 1104 1507 1993
text 151 1493 808 1734
text 851 190 1507 454
equation 292 1412 666 1486
equation 996 1033 1362 1098
text 851 538 1508 1028
header 464 132 1195 153