figure 227 228 1226 900
caption 224 948 1229 1035
equation 338 2592 1031 2849
equation 1356 444 2274 627
equation 1463 1746 2262 2255
text 224 1174 1226 2518
text 1325 240 2324 402
text 224 2879 1226 3009
text 1324 760 2325 1677
text 1324 2317 2325 2959