| { | |
| "father node": 7, | |
| "modification": "(add a new operator to provide an alternative solution approach)", | |
| "before": 0.7200000000000001, | |
| "after": 0.7200000000000001, | |
| "succeed": false | |
| } |
| { | |
| "father node": 7, | |
| "modification": "(add a new operator to provide an alternative solution approach)", | |
| "before": 0.7200000000000001, | |
| "after": 0.7200000000000001, | |
| "succeed": false | |
| } |