figure 1298 1137 2174 1730
caption 1538 1743 1947 1790
equation 611 1055 948 1263
equation 534 831 1020 941
text 343 336 1210 820
text 1297 325 2165 1068
text 1311 1832 2186 2622
text 343 1284 1229 2691
text 347 956 1210 1044