15
0 0 OPERATION SENDER_MODE
1 0 OPERATION RECEIVER_MODE
2 1 OPERATION RECEIVER_MODE
3 1 OPERATION SENDER_MODE
4 1 OPERATION RECEIVER_MODE
5 1 OPERATION SENDER_MODE
6 2 OPERATION RECEIVER_MODE
7 2 OPERATION SENDER_MODE
8 2 OPERATION RECEIVER_MODE
9 2 OPERATION SENDER_MODE
10 3 OPERATION RECEIVER_MODE
11 3 OPERATION SENDER_MODE
12 3 OPERATION SENDER_MODE
13 4 OPERATION RECEIVER_MODE
14 4 OPERATION SENDER_MODE
15 3 OPERATION SENDER_MODE
15
2 0 1 2
1 2 3
2 3 4 6
1 4 5
1 5 1
1 6 7
2 7 8 10
1 8 9
1 9 4
1 10 11
2 11 12 13
1 12 15
1 15 8
1 13 14
1 14 12
0
8
1 0 2
1 3 6
1 7 10
1 11 13
1 14 12
1 15 8
1 9 4
1 5 1
0