figure 306 312 1140 1173
caption 247 1219 867 1255
equation 1641 1188 2327 1331
equation 1527 2052 2324 2201
text 224 1341 1224 2949
text 1325 310 2325 1170
text 1325 1345 2325 2029
text 1325 2231 2326 2945