text 147 972 816 1959
text 885 1389 1552 1958
equation 163 886 814 962
equation 216 770 814 844
equation 966 1309 1467 1384
text 881 314 1553 1305
text 886 156 1366 186
text 147 853 686 883
equation 885 202 1551 265
text 147 152 815 765