0
2
1
2
1
1
1
1
2
1
0
0
2
1
0
2
1
0
2
1
1
1
0
1
2
1
0
0
0
0
2
1
1
2
2
2
2
1
1
0
0
0
1
0
2
1
0
0
0
2
1
0
1
2
0
1
0
1
0
2
1
1
1
2
0
2
0
0
1
0
1
1
1
2
0
1
2
0
3
0
0
0
1
1
2
0
1
0
0
1
0
1
0
3
1
1
0
0
0
2
nodes
probability
Force Layout
linkDistance
linkStrength
charge
gravity
regenerate
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