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