Level Entries           Logical              Physical Length Flags
 0/ 2   1/  1   21265 - 1741730 318328084             1720466
 1/ 2   1/  4  456233 -  983745 301285820             527513
 1/ 2   2/  4  983746 - 1111795 317165596             128050
 1/ 2   3/  4 1111796 - 1558969 318328085             447174
 1/ 2   4/  4 1558970 - 1741730 322885655             182761