=== Thread 1:
0) 0.1
1) 2.1
2) 2.2
3) 2.3
4) 4.1
5) 4.2
=== Thread 2:
0) [0] 0.1
1) [2] 2.1
2) [2] 2.2
3) [2] 2.3
4) [4] 4.1
5) [4] 4.2
