4 1 1 2 3 1 0. 0. 0. 2 3 4 5 1 0. 0. 0. 3 5 6 7 1 0. 0. 0. 4 7 8 1 1 0. 0. 0. 8 1 10. 0. 2 7.07 7.07 3 0. 10. 4 -7.07 7.07 5 -10. 0. 6 -7.07 -7.07 7 0. -10. 8 7.07 -7.07 8 1 2.0 0. 2 4.0 0. 3 6.0 0. 4 8.0 0. 5 0.0 2. 6 0.0 4. 7 0.0 6. 8 0.0 8. 1 0. 0. 1000.