(0 11 7 4 2)(1 20 17)(3 21 16 6 5)(8 14 12)(9 18 10)(13 19 15)
ALLOWS (11/8)-SEQUENCE
1: (0 4 8)
(0 14 12 8 2)(1 20 17)(3 21 16 6 5)(4 11 7)(9 18 10)(13 19 15)
2: (3 21 5)
(0 14 12 8 2)(1 20 17)(3)(4 11 7)(5 16 6)(9 18 10)(13 19 15)(21)
3: (4 11 7)
(0 14 12 8 2)(1 20 17)(3)(4)(5 16 6)(7)(9 18 10)(11)(13 19 15)(21)
4: (2 12 8)
(0 14 12)(1 20 17)(2)(3)(4)(5 16 6)(7)(8)(9 18 10)(11)(13 19 15)(21)