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