text 147 964 816 1958
text 884 962 1553 1958
text 147 152 815 740
text 885 156 1552 307
equation 992 315 1551 469
text 885 472 1552 685
equation 191 890 813 952
equation 153 753 813 822
equation 900 693 1535 844
equation 1004 885 1551 917
text 147 833 813 884
text 886 847 1359 877