caption 117 303 878 370
figure 116 101 878 282
equation 526 793 878 864
equation 533 896 878 945
equation 553 1039 878 1084
equation 520 466 878 687
equation 576 970 878 994
text 510 1098 877 1276
text 115 405 486 1276
text 510 694 877 759
text 510 407 877 450