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