13 1
1 A -1 1
1 A 0 2
1 A 1 3
1 C 2 4
1 C 3 5
1 C 4 6
1 C 5 7
1 C 6 8
1 C 7 9
1 C 8 10
1 T 9 11
1 T 10 12
1 T 11 -1
