0 init
1 set check 1
2 add 3
3 add 0
4 add -1
5 add 0
6 add -3
7 add -1
8 add 6
9 add 0
10 constrain -1
11 constrain -4
12 constrain 5
13 constrain -6
14 constrain 3
15 constrain -2
16 constrain 0
17 constrain -3
18 constrain -2
19 constrain -1
20 constrain 0
21 constrain 4
22 constrain -9
23 constrain 7
24 constrain 8
25 constrain 0