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