figure 532 384 894 643
caption 505 665 901 706
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equation 225 1106 480 1133
equation 176 133 480 175
equation 653 1141 901 1184
text 506 118 901 356
text 85 1143 480 1317
text 506 753 901 1123
text 504 1195 901 1319
text 85 653 481 1092
text 85 184 480 586