7
-10000 -10000 10000 10000 -10000 10000 10000 -10000
0 -1 0 1 0 0 1 10000
0 -9999 0 100 1 0 1 10000
101 6023 8765 -3094 -9898 7543 101 6023
101 6023 8765 -3094 -9898 7543 102 6023
501 10000 501 -10000 500 10000 500 -10000 
500 10000 500 -10000 501 10000 499 -10000 
