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