equation 419 1418 1029 1466
equation 414 2360 1026 2570
equation 465 1268 981 1316
text 224 256 1225 1235
text 1324 256 2328 3026
text 224 1517 1225 2328
text 225 2627 1226 3026
text 225 1349 969 1385