figure 462 495 1215 1070
caption 576 1164 1119 1203
equation 1569 2540 1995 2655
equation 1544 1190 2009 1308
equation 1644 777 1902 890
text 420 1281 1275 2650
text 1347 342 2196 745
text 1354 1345 2206 2511
text 1351 934 2199 1158