text 151 190 808 1994
text 851 1709 1506 1839
equation 919 1240 1505 1328
text 851 648 1506 744
text 851 1357 1505 1421
equation 968 988 1505 1155
text 851 887 1504 959
equation 862 1607 1505 1705
text 851 1959 1325 1994
equation 875 1448 1505 1546
equation 891 1866 1505 1934
equation 892 772 1505 843
equation 1031 545 1505 604
text 851 1549 1387 1580
text 851 1183 965 1211
text 851 192 1506 518
header 580 126 1075 153