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