4
15
6
	c1	c2	c3	
r1	[100,	2,	3]
r2	[4,	5,	6]
r3	[7,	8,	9]

2.1
6.1
	c1	c2	
r1	[100.1,	2.2]
r2	[3.3,	4.4]

	c1	c2	
r1	[zzz,	cd]
r2	[ef,	gh]
