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