text 152 1862 806 1994
text 151 189 806 1465
text 850 1534 1506 1994
text 851 1235 1506 1447
text 151 1557 806 1771
equation 1024 1462 1503 1526
text 851 190 1506 1171
equation 868 1182 1503 1221
equation 249 1798 803 1835
equation 329 1493 627 1528
header 346 132 1314 160