10

Open 1 3 1 4

Open 1 4 2 4

Open 2 4 2 5

Open 2 5 2 6

Open 2 6 2 7

Open 2 7 1 7

Ask 1 3 1 7

Ask 1 1 1 10

Ask 2 4 1 2

Close 1 4 2 4

Ask 2 5 1 2

Ask 2 4 1 2

Exit