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