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