text 151 653 808 1111
text 151 1593 808 1998
text 851 1020 1506 1522
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equation 851 1547 1489 1618
text 851 1896 1505 1989
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text 152 1207 736 1240
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equation 346 1268 610 1314
equation 1072 1843 1283 1877
equation 997 819 1359 858
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equation 959 942 1397 992
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equation 911 285 1445 320
equation 969 408 1386 444
equation 957 504 1400 540
text 151 1342 806 1576
text 851 191 1506 255
text 151 191 806 317
text 851 881 927 907
header 174 132 1486 154
text 852 470 902 500