text 297 1132 1403 1648
equation 429 751 1263 906
text 297 935 1402 1027
equation 658 1663 1401 1751
text 297 231 1403 737
text 297 1863 1402 2035
equation 439 1058 1259 1100
equation 748 1826 949 1859
text 298 1768 1402 1828