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