sample	time	group
NSC.3	0	MOT
NSC.4	0	MOT
MOT1.1	1	MOT
MOT1.2	1	MOT
MOT2.1	2	MOT
MOT2.2	2	MOT
MOT3.2	3	MOT
MOT3.1	3	MOT
NSC.2	0	OLD
NSC.1	0	OLD
OLD1.2	1	OLD
OLD1.1	1	OLD
OLD2.1	2	OLD
OLD2.2	2	OLD
OLD3.1	3	OLD
OLD3.2	3	OLD