Table 2: Comparison among three algorithms for same problems in [31, 32].

Problem NG-NF (Algorithm 1) NG-NF (Algorithm 2) NG-NF (Algorithm 3)

SC216 7-16 6-15 11-13
SC235 30-48 39-50 39-50
SC252 36-46 99-122 26-35
SC265 3-7 3-3 3-3
HS006 5-7 7-7 9-9
HS007 8-14 10-13 10-13
HS047 72-86 95-95 95-95
HS050 14-39 15-15 15-15
HS051 9-18 16-16 16-16
HS077 16-22 22-28 22-28