figure 371 1598 1092 1851
caption 231 1896 1221 1946
equation 311 2268 969 2430
equation 207 2574 651 2871
text 224 256 1228 1549
text 224 2033 1225 2235
text 1324 257 2325 3018
text 224 2907 1225 3026
text 225 2468 1224 2546