text 145 1429 815 1958
text 885 316 1552 531
text 141 151 815 1313
text 885 605 1554 668
text 885 727 1552 814
equation 257 1334 703 1416
text 878 876 1556 1958
text 885 155 1552 236
equation 993 549 1443 589
equation 1089 681 1346 712
equation 887 827 1548 860
equation 934 254 1504 285