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