2
1 13
Goodbye, all!
0 0 0 1
0 1 0 2
0 2 0 3
0 3 0 4
0 4 0 5
0 5 0 6
0 6 0 7
0 7 0 8
0 8 0 9
0 9 0 10
0 10 0 11
0 11 0 12
