time,gnt_0,gnt_1,gnt_2,gnt_3
4,x,x,x,x
12,0,0,0,0
20,0,0,0,0
28,0,0,0,0
36,0,0,0,0
44,1,0,0,0
52,1,0,0,0
60,1,0,0,0
68,0,0,0,0
76,0,1,0,0
84,0,1,0,0
92,0,0,0,0
100,0,0,0,0
108,0,0,1,0
116,0,0,1,0
124,0,0,0,0
132,0,0,0,1
140,0,0,0,1
148,0,0,0,1
