-stretch tree of depth 11 check: -1
-2048 trees of depth 4 check: -2048
-512 trees of depth 6 check: -512
-128 trees of depth 8 check: -128
-32 trees of depth 10 check: -32
-long lived tree of depth 10 check: -1
+stretch tree of depth 7 check: -1
+128 trees of depth 4 check: -128
+32 trees of depth 6 check: -32
+long lived tree of depth 6 check: -1