0	0.0	0.0	0.0
1	20.0	0.0	0.0
2	40.0	0.0	0.0
3	60.0	0.0	0.0
4	0.0	20.0	0.0
5	20.0	20.0	0.0
6	40.0	20.0	0.0
7	60.0	20.0	0.0
8	0.0	40.0	0.0
9	20.0	40.0	0.0
10	40.0	40.0	0.0
11	60.0	40.0	0.0
12	0.0	60.0	0.0
13	20.0	60.0	0.0
14	40.0	60.0	0.0
15	60.0	60.0	0.0
