10
0.3147 -0.3424
0.4058 0.4706
-0.3730 0.4572
0.4134 -0.0146
0.1324 0.3003
-0.4025 -0.3581
-0.2215 -0.0782
0.0469 0.4157
0.4575 0.2922
0.4649 0.4595
0