figure 240 302 1217 828
caption 384 878 1080 927
equation 558 1739 903 1838
equation 582 1253 879 1307
equation 254 2322 1203 2531
text 237 1064 1225 1205
text 1314 310 2304 2974
text 237 1885 1226 2274
text 237 2585 1225 2967
text 237 1351 1225 1692