text 147 1398 815 1958
text 884 749 1554 1121
text 884 1836 1552 1957
figure 972 1191 1464 1502
text 885 156 1552 338
equation 911 353 1551 540
text 884 559 1552 651
text 147 980 815 1299
text 147 156 815 925
equation 1043 666 1551 731
equation 308 1310 653 1382
equation 401 939 560 970
equation 1057 1767 1378 1818
text 885 1651 1552 1752
caption 916 1558 1512 1592