(0 17 16)(1 6 3)(2 21 19 14 5)(4 15 12 9 7)(8 11 10)(13 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 4 9)
(0 7 4 17 16)(1 6 3)(2 21 19 14 5)(8 11 10)(9 15 12)(13 20 18)
2: (2 21 5)
(0 7 4 17 16)(1 6 3)(2)(5 19 14)(8 11 10)(9 15 12)(13 20 18)(21)
3: (4 17 7)
(0 7 16)(1 6 3)(2)(4)(5 19 14)(8 11 10)(9 15 12)(13 20 18)(17)(21)
4: (1 6 3)
(0 7 16)(1)(2)(3)(4)(5 19 14)(6)(8 11 10)(9 15 12)(13 20 18)(17)(21)