Basic info: size of leaf: 48 bytes, size of tnode: 40 bytes.
Main:
	Aver depth:     3.12
	Max depth:      4
	Leaves:         56
	Prefixes:       59
	Internal nodes: 24
	  1: 1  2: 17  3: 3  4: 2  5: 1
	Pointers: 158
Null ptrs: 79
Total size: 9  kB
Local:
	Aver depth:     3.12
	Max depth:      4
	Leaves:         56
	Prefixes:       59
	Internal nodes: 24
	  1: 1  2: 17  3: 3  4: 2  5: 1
	Pointers: 158
Null ptrs: 79
Total size: 9  kB