| ⇢ | C | graph.oval_graph.OvalNode.changePosition() added | |
| ⇢ | C | graph.oval_graph.OvalNode.createPositions() added | |
| ⇢ | A | graph.oval_graph.OvalNode.center_graph() added | |
| ⇢ | A | graph.oval_graph.OvalNode.moveRows() added | |
| ⇢ | A | graph.oval_graph.OvalNode.convertNodesInRowsToNode... added | |
| ⇢ | A | graph.oval_graph.OvalNode.pushNodesToNodesInRow() added | |
| ⇢ | A | graph.oval_graph.OvalNode.countMaxY() added | |
| ⇢ | A | graph.oval_graph.OvalNode.createNodesInRows() added | |
| ⇢ | A | graph.oval_graph.OvalNode.removeEmptyRows() added | |
| A | ↘ | B | test_graph.test_bigOvalTree() got worse |