group a

	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0

group b

	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0

group c

	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0

group d

	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0
	0	0	0	0	0	-	0