Table 2.

Initial evaluation information.

Time	Alternative scheme	c1	c2	c3
t1	x1	4	[2,5]	[VG,MG]
	x2	4	[4,7]	[G,MG]
	x3	5	[3,6]	[MG,MP]
t2	x1	3	[4,6]	[G,MG]
	x2	6	[6,12]	[MG,M]
	x3	5	[5,9]	[MG,M]
t2	x1	3	[4,6]	[G,MG]
	x2	5	[6,11]	[MG,M]
	x3	6	[8,15]	[MG,M]
t3	x1	3	[5,6]	[G,MG]
	x2	7	[9,12]	[M,MP]
	x3	6	[7,10]	[MG,M]