figure 1412 300 2177 861
caption 1305 896 2283 1128
equation 541 1814 1236 1893
equation 508 2142 1236 2242
text 260 2289 1240 2987
text 1306 1220 2286 3001
text 260 302 1238 1771
text 260 1940 1238 2095