1 stretch tree of depth 16 check: -1
2 65536 trees of depth 4 check: -65536
3 16384 trees of depth 6 check: -16384
4 4096 trees of depth 8 check: -4096
5 1024 trees of depth 10 check: -1024
6 256 trees of depth 12 check: -256
7 64 trees of depth 14 check: -64
8 long lived tree of depth 15 check: -1