#Test create a node with two childs and remove its links.
CREATE_LEAF 0 A
ITEM 0
HAS_LEFT 0
HAS_RIGHT 0
CREATE_LEAF 1 B
ITEM 1
HAS_LEFT 1
HAS_RIGHT 1
CREATE_NODE 2 C 0 1
ITEM 2
HAS_LEFT 2
HAS_RIGHT 2
REMOVE_LEFT_NODE 2
HAS_LEFT 2
REMOVE_RIGHT_NODE 2
HAS_RIGHT 2
