Table 4: Compared results of all instances.

No.Instance classBest knownSuggestive approachImproved

1C142.3%41.2%42.1%1.8%8.9%5.3%87.4%
2C211.2%10.7%10.9%0.8%5.5%2.4%78.3%
3R164.6%0.9%28.0%0.5%8.1%3.7%86.8%
4R229.1%0.4%10.6%0.1%9.1%3.2%69.7%
5RC151.2%11.4%25.6%1.0%5.3%2.9%88.7%
6RC225.0%8.0%15.5%0.42%8.08%4.6%73.9%