1:1	LINE+
1:1	INT	"1"
2:1	LINE+
2:2	INT	"2"
3:1	LINE+
3:3	INT	"3"
4:1	LINE-
4:1	LINE-
4:1	LINE=
4:1	INT	"4"
5:1	LINE=
5:1	INT	"5"
6:1	LINE+
6:2	INT	"6"
7:1	LINE-
7:1	LINE-
