Re: Pattern Matching

0, (#, 1, 5)
1, (#, 2, 3)
2, a, (a, 4, 4)
3, b, (b, 4, 4)
4, (#, 9, 9)
5, (#, 6, 7)
6, c, (c, 8, 8)
7, d, (d, 8, 8)
8, (#, 9, 9)
9, (#, 10, 10)
10, (\$, -1, -1)
succeded: a a