https://stackoverflow.com/q/55862439/1578604

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O	P
1	2	2	2	1	0.5	2	4	3.5	1.5	5	5	2	2	2	2
2	A	B	C	D	E	F	G	H	I	J	K	L	M	N	O
3	2	4	6	7	7.5	9.5	4	7.5	9	5	10	2	4	6	8	8
4	1	1	1	1	1	1	2	2	2	3	3	4	4	4	4	5
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6	Max		10
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8	First group		1	A2:F2	A-B-C-D-E-F
9	Second group		2	G2:I2	G-H-I
10	Third group		3	J2:K2	J-K
11	Fourth group		4	L2:O2	L-M-N-O
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