text 150 807 810 1227
text 851 1195 1512 1994
text 151 1864 807 1994
text 850 191 1510 1103
text 171 1693 808 1757
equation 185 741 803 785
equation 390 1618 803 1667
equation 300 1252 803 1297
equation 354 1783 803 1822
text 150 190 806 737
equation 989 1130 1503 1167
text 151 1321 810 1592
header 416 128 1241 159