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